91629612429162961243

This number is a prime.

                                                       9162961242 9162961243

A prime formed from two ten-digit consecutive integers. By repetitive elimination of each left digit of those integers, nine others primes are yielded: 162961242162961243, 6296124262961243, 29612422961243, 961242961243, 6124261243, 12421243, 242243, 4243, 23. [Silva]