38875185021 has 16 divisors (see below), whose sum is σ = 52831979136. Its totient is φ = 25417968576.

The previous prime is 38875184993. The next prime is 38875185073. The reversal of 38875185021 is 12058157883.

It is not a de Polignac number, because 38875185021 - 2¹³ = 38875176829 is a prime.

It is a super-2 number, since 2×38875185021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38875175021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377511 + ... + 469323.

It is an arithmetic number, because the mean of its divisors is an integer number (3301998696).

Almost surely, 2^38875185021 is an apocalyptic number.

It is an amenable number.

38875185021 is a deficient number, since it is larger than the sum of its proper divisors (13956794115).

38875185021 is a wasteful number, since it uses less digits than its factorization.

38875185021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94532.

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 38875185021 in words is "thirty-eight billion, eight hundred seventy-five million, one hundred eighty-five thousand, twenty-one".