38650861064 has 8 divisors (see below), whose sum is σ = 72470364510. Its totient is φ = 19325430528.

The previous prime is 38650861033. The next prime is 38650861069. The reversal of 38650861064 is 46016805683.

38650861064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27659016100 + 10991844964 = 166310^2 + 104842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (38650861069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415678809 + ... + 2415678824.

Almost surely, 2^38650861064 is an apocalyptic number.

It is an amenable number.

38650861064 is a deficient number, since it is larger than the sum of its proper divisors (33819503446).

38650861064 is a wasteful number, since it uses less digits than its factorization.

38650861064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831357639 (or 4831357635 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 38650861064 in words is "thirty-eight billion, six hundred fifty million, eight hundred sixty-one thousand, sixty-four".