39318384972 has 18 divisors (see below), whose sum is σ = 91744501044. Its totient is φ = 13105899360.

The previous prime is 39318384947. The next prime is 39318385003. The reversal of 39318384972 is 27948381393.

39318384972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658272 + ... + 715512.

Almost surely, 2^39318384972 is an apocalyptic number.

It is an amenable number.

39318384972 is an abundant number, since it is smaller than the sum of its proper divisors (52426116072).

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

39318384972 is an frugal number, since it uses more digits than its factorization.

39318384972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114489 (or 57246 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 39318384972 in words is "thirty-nine billion, three hundred eighteen million, three hundred eighty-four thousand, nine hundred seventy-two".