3091490957 has 4 divisors (see below), whose sum is σ = 3128737920. Its totient is φ = 3054243996.

The previous prime is 3091490939. The next prime is 3091490959. The reversal of 3091490957 is 7590941903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3091490957 - 2¹² = 3091486861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091490959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18623357 + ... + 18623522.

It is an arithmetic number, because the mean of its divisors is an integer number (782184480).

Almost surely, 2^3091490957 is an apocalyptic number.

It is an amenable number.

3091490957 is a deficient number, since it is larger than the sum of its proper divisors (37246963).

3091490957 is an equidigital number, since it uses as much as digits as its factorization.

3091490957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37246962.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 3091490957 is about 55601.1776583914. The cubic root of 3091490957 is about 1456.7644237279.

The spelling of 3091490957 in words is "three billion, ninety-one million, four hundred ninety thousand, nine hundred fifty-seven".