42254...49801 (140-digits)

This number is a prime.

4225435644 8946244761 4900504151 8453295476 5625577659 2960846241 6400656167
2468897056 7225739675 6977447921 8100828184 6486498836 9025921694 0996049801

The largest prime formed from concatenation of n consecutive 4-digit square numbers (n=35). [Gupta]