3157933493 has 12 divisors (see below), whose sum is σ = 3730406688. Its totient is φ = 2650012560.

The previous prime is 3157933489. The next prime is 3157933501. The reversal of 3157933493 is 3943397513.

It is not a de Polignac number, because 3157933493 - 2² = 3157933489 is a prime.

It is a super-2 number, since 2×3157933493² = 19945087892422362098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157933403) 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 11 ways as a sum of consecutive naturals, for example, 847505 + ... + 851222.

It is an arithmetic number, because the mean of its divisors is an integer number (310867224).

Almost surely, 2^3157933493 is an apocalyptic number.

It is an amenable number.

3157933493 is a deficient number, since it is larger than the sum of its proper divisors (572473195).

3157933493 is a wasteful number, since it uses less digits than its factorization.

3157933493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698764 (or 1698751 counting only the distinct ones).

The product of its digits is 918540, while the sum is 47.

The square root of 3157933493 is about 56195.4935292858. The cubic root of 3157933493 is about 1467.1268316819.

The spelling of 3157933493 in words is "three billion, one hundred fifty-seven million, nine hundred thirty-three thousand, four hundred ninety-three".