19424...88799 (52-digits)

This number is a prime.

                   19 4247418150 5840776748 9155994318 0841475238 7623388799

Emirp coming form the largest prime less than 2^32, 4294918057, in the following manner: 4294918057*429491805*42949180*…*42*4-1. [Rivera]