70639392188 has 12 divisors (see below), whose sum is σ = 130890638592. Its totient is φ = 33242066880.

The previous prime is 70639392179. The next prime is 70639392217. The reversal of 70639392188 is 88129393607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519407228 + ... + 519407363.

It is an arithmetic number, because the mean of its divisors is an integer number (10907553216).

Almost surely, 2^70639392188 is an apocalyptic number.

It is an amenable number.

70639392188 is a deficient number, since it is larger than the sum of its proper divisors (60251246404).

70639392188 is a wasteful number, since it uses less digits than its factorization.

70639392188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038814612 (or 1038814610 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 70639392188 in words is "seventy billion, six hundred thirty-nine million, three hundred ninety-two thousand, one hundred eighty-eight".