3159090891 has 12 divisors (see below), whose sum is σ = 4977961560. Its totient is φ = 1914600480.

The previous prime is 3159090887. The next prime is 3159090911. The reversal of 3159090891 is 1980909513.

It is not a de Polignac number, because 3159090891 - 2² = 3159090887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3159090491) 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, 15954906 + ... + 15955103.

It is an arithmetic number, because the mean of its divisors is an integer number (414830130).

Almost surely, 2^3159090891 is an apocalyptic number.

3159090891 is a deficient number, since it is larger than the sum of its proper divisors (1818870669).

3159090891 is a wasteful number, since it uses less digits than its factorization.

3159090891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31910026 (or 31910023 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 3159090891 is about 56205.7905468823. The cubic root of 3159090891 is about 1467.3060461649.

The spelling of 3159090891 in words is "three billion, one hundred fifty-nine million, ninety thousand, eight hundred ninety-one".