5981951931 has 32 divisors (see below), whose sum is σ = 8279513088. Its totient is φ = 3839270400.

The previous prime is 5981951929. The next prime is 5981951953. The reversal of 5981951931 is 1391591895.

It is not a de Polignac number, because 5981951931 - 2¹ = 5981951929 is a prime.

It is a super-2 number, since 2×5981951931² = 71567497809589257522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5981251931) 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 31 ways as a sum of consecutive naturals, for example, 6185610 + ... + 6186576.

It is an arithmetic number, because the mean of its divisors is an integer number (258734784).

Almost surely, 2^5981951931 is an apocalyptic number.

5981951931 is a deficient number, since it is larger than the sum of its proper divisors (2297561157).

5981951931 is a wasteful number, since it uses less digits than its factorization.

5981951931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 437400, while the sum is 51.

The square root of 5981951931 is about 77343.0793995171. The cubic root of 5981951931 is about 1815.2967897210.

The spelling of 5981951931 in words is "five billion, nine hundred eighty-one million, nine hundred fifty-one thousand, nine hundred thirty-one".