11068009

This number is a prime.

The smallest invertible prime p containing all the invertible digits {0, 1, 6, 8, 9} such that (a) concatenation of p with π(p), i.e., {11068009730711}; (b) concatenation of π(p) with p, i.e., {73071111068009} both are prime numbers. [Bajpai]