38131597413 has 24 divisors (see below), whose sum is σ = 67789507968. Its totient is φ = 20113369632.

The previous prime is 38131597403. The next prime is 38131597417. The reversal of 38131597413 is 31479513183.

38131597413 is a `hidden beast` number, since 3 + 8 + 13 + 1 + 597 + 41 + 3 = 666.

It is not a de Polignac number, because 38131597413 - 2²⁹ = 37594726501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38131597417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23278545 + ... + 23280182.

It is an arithmetic number, because the mean of its divisors is an integer number (2824562832).

Almost surely, 2^38131597413 is an apocalyptic number.

It is an amenable number.

38131597413 is a deficient number, since it is larger than the sum of its proper divisors (29657910555).

38131597413 is a wasteful number, since it uses less digits than its factorization.

38131597413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46558753 (or 46558750 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 38131597413 in words is "thirty-eight billion, one hundred thirty-one million, five hundred ninety-seven thousand, four hundred thirteen".