38891035939 has 12 divisors (see below), whose sum is σ = 45243819768. Its totient is φ = 33332796000.

The previous prime is 38891035921. The next prime is 38891035979. The reversal of 38891035939 is 93953019883.

It is not a de Polignac number, because 38891035939 - 2⁵ = 38891035907 is a prime.

It is a super-2 number, since 2×38891035939² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38891035979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1236964 + ... + 1268014.

It is an arithmetic number, because the mean of its divisors is an integer number (3770318314).

Almost surely, 2^38891035939 is an apocalyptic number.

38891035939 is a deficient number, since it is larger than the sum of its proper divisors (6352783829).

38891035939 is a wasteful number, since it uses less digits than its factorization.

38891035939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56626 (or 56619 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 38891035939 in words is "thirty-eight billion, eight hundred ninety-one million, thirty-five thousand, nine hundred thirty-nine".