5137791956 has 24 divisors (see below), whose sum is σ = 9813273120. Its totient is φ = 2334226400.

The previous prime is 5137791949. The next prime is 5137791973. The reversal of 5137791956 is 6591977315.

It is a junction number, because it is equal to n+sod(n) for n = 5137791898 and 5137791907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66935 + ... + 121473.

It is an arithmetic number, because the mean of its divisors is an integer number (408886380).

Almost surely, 2^5137791956 is an apocalyptic number.

It is an amenable number.

5137791956 is a deficient number, since it is larger than the sum of its proper divisors (4675481164).

5137791956 is a wasteful number, since it uses less digits than its factorization.

5137791956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56695 (or 56693 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 53.

The square root of 5137791956 is about 71678.3925321990. The cubic root of 5137791956 is about 1725.5418818204.

The spelling of 5137791956 in words is "five billion, one hundred thirty-seven million, seven hundred ninety-one thousand, nine hundred fifty-six".