Found with PFGW Version 3.6.0

3464^6487-6487^3464 is 2-PRP! (21.6134s+0.0027s)
3464^6487-6487^3464 is 3-PRP! (22.4709s+0.0010s)
3464^6487-6487^3464 is 5-PRP! (22.4712s+0.0009s)
3464^6487-6487^3464 is 7-PRP! (22.4614s+0.0010s)
3464^6487-6487^3464 is 11-PRP! (22.5634s+0.0010s)

Primality testing 3464^6487-6487^3464 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 2+sqrt(13)
Calling N+1 BLS with factored part 0.03% and helper 0.02% (0.11% proof)
3464^6487-6487^3464 is Fermat and Lucas PRP! (131.4270s+0.0026s)

To be completed...