38501312193 has 6 divisors (see below), whose sum is σ = 55613006514. Its totient is φ = 25667541456.

The previous prime is 38501312189. The next prime is 38501312219. The reversal of 38501312193 is 39121310583.

38501312193 is a `hidden beast` number, since 38 + 501 + 31 + 2 + 1 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38481491889 + 19820304 = 196167^2 + 4452^2 .

It is not a de Polignac number, because 38501312193 - 2² = 38501312189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38501312183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2138961780 + ... + 2138961797.

It is an arithmetic number, because the mean of its divisors is an integer number (9268834419).

Almost surely, 2^38501312193 is an apocalyptic number.

It is an amenable number.

38501312193 is a deficient number, since it is larger than the sum of its proper divisors (17111694321).

38501312193 is a wasteful number, since it uses less digits than its factorization.

38501312193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277923583 (or 4277923580 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 38501312193 in words is "thirty-eight billion, five hundred one million, three hundred twelve thousand, one hundred ninety-three".