30839725864 has 32 divisors (see below), whose sum is σ = 58356198720. Its totient is φ = 15278167296.

The previous prime is 30839725837. The next prime is 30839725871. The reversal of 30839725864 is 46852793803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5080159 + ... + 5086225.

It is an arithmetic number, because the mean of its divisors is an integer number (1823631210).

Almost surely, 2^30839725864 is an apocalyptic number.

It is an amenable number.

30839725864 is a deficient number, since it is larger than the sum of its proper divisors (27516472856).

30839725864 is a wasteful number, since it uses less digits than its factorization.

30839725864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11809 (or 11805 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 30839725864 in words is "thirty billion, eight hundred thirty-nine million, seven hundred twenty-five thousand, eight hundred sixty-four".