5177139931 has 18 divisors (see below), whose sum is σ = 5795011820. Its totient is φ = 4611395520.

The previous prime is 5177139917. The next prime is 5177139977. The reversal of 5177139931 is 1399317715.

It is not a de Polignac number, because 5177139931 - 2⁵ = 5177139899 is a prime.

It is a super-2 number, since 2×5177139931² = 53605555730309369522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5177139901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5331276 + ... + 5332246.

Almost surely, 2^5177139931 is an apocalyptic number.

5177139931 is a deficient number, since it is larger than the sum of its proper divisors (617871889).

5177139931 is an frugal number, since it uses more digits than its factorization.

5177139931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1007 counting only the distinct ones).

The product of its digits is 178605, while the sum is 46.

The square root of 5177139931 is about 71952.3448610259. The cubic root of 5177139931 is about 1729.9357267266.

The spelling of 5177139931 in words is "five billion, one hundred seventy-seven million, one hundred thirty-nine thousand, nine hundred thirty-one".