38392426931 has 4 divisors (see below), whose sum is σ = 40413081000. Its totient is φ = 36371772864.

The previous prime is 38392426879. The next prime is 38392426949. The reversal of 38392426931 is 13962429383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38392426931 - 2¹⁸ = 38392164787 is a prime.

It is a super-2 number, since 2×38392426931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38392426931.

It is not an unprimeable number, because it can be changed into a prime (38392426951) 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, 1010327006 + ... + 1010327043.

It is an arithmetic number, because the mean of its divisors is an integer number (10103270250).

Almost surely, 2^38392426931 is an apocalyptic number.

38392426931 is a deficient number, since it is larger than the sum of its proper divisors (2020654069).

38392426931 is a wasteful number, since it uses less digits than its factorization.

38392426931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020654068.

The product of its digits is 1679616, while the sum is 50.

The spelling of 38392426931 in words is "thirty-eight billion, three hundred ninety-two million, four hundred twenty-six thousand, nine hundred thirty-one".