102499936892 has 6 divisors (see below), whose sum is σ = 179374889568. Its totient is φ = 51249968444.

The previous prime is 102499936843. The next prime is 102499936927. The reversal of 102499936892 is 298639994201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12812492108 + ... + 12812492115.

It is an arithmetic number, because the mean of its divisors is an integer number (29895814928).

Almost surely, 2^102499936892 is an apocalyptic number.

It is an amenable number.

102499936892 is a deficient number, since it is larger than the sum of its proper divisors (76874952676).

102499936892 is a wasteful number, since it uses less digits than its factorization.

102499936892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25624984227 (or 25624984225 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 62.

The spelling of 102499936892 in words is "one hundred two billion, four hundred ninety-nine million, nine hundred thirty-six thousand, eight hundred ninety-two".