6938813131875 has 30 divisors (see below), whose sum is σ = 12524403517340. Its totient is φ = 3700700334000.

The previous prime is 6938813131867. The next prime is 6938813131931. The reversal of 6938813131875 is 5781313188396.

6938813131875 is a `hidden beast` number, since 69 + 3 + 8 + 81 + 313 + 187 + 5 = 666.

It is not a de Polignac number, because 6938813131875 - 2³ = 6938813131867 is a prime.

It is a super-2 number, since 2×6938813131875² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 616777765 + ... + 616789014.

Almost surely, 2^{6938813131875} is an apocalyptic number.

6938813131875 is a deficient number, since it is larger than the sum of its proper divisors (5585590385465).

6938813131875 is a wasteful number, since it uses less digits than its factorization.

6938813131875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233566805 (or 1233566787 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 6938813131875 in words is "six trillion, nine hundred thirty-eight billion, eight hundred thirteen million, one hundred thirty-one thousand, eight hundred seventy-five".