38680011635464 has 16 divisors (see below), whose sum is σ = 72587922980220. Its totient is φ = 19323232174080.

The previous prime is 38680011635443. The next prime is 38680011635467. The reversal of 38680011635464 is 46453611008683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28336905390564 + 10343106244900 = 5323242^2 + 3216070^2 .

It is a super-2 number, since 2×38680011635464² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38680011635467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2096695657 + ... + 2096714104.

Almost surely, 2^{38680011635464} is an apocalyptic number.

It is an amenable number.

38680011635464 is a deficient number, since it is larger than the sum of its proper divisors (33907911344756).

38680011635464 is a wasteful number, since it uses less digits than its factorization.

38680011635464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193410920 (or 4193410916 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 38680011635464 in words is "thirty-eight trillion, six hundred eighty billion, eleven million, six hundred thirty-five thousand, four hundred sixty-four".