Found with PFGW Version 3.7.5

9498^9889-9889^9498 is 2-PRP! (34.0367s+0.0019s)
9498^9889-9889^9498 is 3-PRP! (33.9233s+0.0019s)
9498^9889-9889^9498 is 5-PRP! (33.9968s+0.0020s)
9498^9889-9889^9498 is 7-PRP! (33.8671s+0.0020s)
9498^9889-9889^9498 is 11-PRP! (33.8703s+0.0018s)

Primality testing 9498^9889-9889^9498 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 2+sqrt(11)
Calling N-1 BLS with factored part 0.05% and helper 0.03% (0.19% proof)
9498^9889-9889^9498 is Fermat and Lucas PRP! (182.5791s+0.0031s)

To be completed...