3149334891 has 8 divisors (see below), whose sum is σ = 4665681360. Its totient is φ = 2099556576.

The previous prime is 3149334887. The next prime is 3149334893. The reversal of 3149334891 is 1984339413.

3149334891 is a `hidden beast` number, since 31 + 493 + 3 + 48 + 91 = 666.

It is not a de Polignac number, because 3149334891 - 2² = 3149334887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3149334893) 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 7 ways as a sum of consecutive naturals, for example, 58320990 + ... + 58321043.

It is an arithmetic number, because the mean of its divisors is an integer number (583210170).

Almost surely, 2^3149334891 is an apocalyptic number.

3149334891 is a deficient number, since it is larger than the sum of its proper divisors (1516346469).

3149334891 is a wasteful number, since it uses less digits than its factorization.

3149334891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116642042 (or 116642036 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3149334891 is about 56118.9352268911. The cubic root of 3149334891 is about 1465.7940289782.

The spelling of 3149334891 in words is "three billion, one hundred forty-nine million, three hundred thirty-four thousand, eight hundred ninety-one".