38739513584 has 20 divisors (see below), whose sum is σ = 77646008760. Its totient is φ = 18701833920.

The previous prime is 38739513577. The next prime is 38739513601. The reversal of 38739513584 is 48531593783.

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, 41744702 + ... + 41745629.

It is an arithmetic number, because the mean of its divisors is an integer number (3882300438).

Almost surely, 2^38739513584 is an apocalyptic number.

It is an amenable number.

38739513584 is an abundant number, since it is smaller than the sum of its proper divisors (38906495176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38739513584 is a wasteful number, since it uses less digits than its factorization.

38739513584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83490368 (or 83490362 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 38739513584 in words is "thirty-eight billion, seven hundred thirty-nine million, five hundred thirteen thousand, five hundred eighty-four".