3139644313 has 12 divisors (see below), whose sum is σ = 3516970860. Its totient is φ = 2798193216.

The previous prime is 3139644311. The next prime is 3139644373. The reversal of 3139644313 is 3134469313.

It can be written as a sum of positive squares in 6 ways, for example, as 296941824 + 2842702489 = 17232^2 + 53317^2 .

It is not a de Polignac number, because 3139644313 - 2¹ = 3139644311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3139644311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315406 + ... + 325207.

It is an arithmetic number, because the mean of its divisors is an integer number (293080905).

Almost surely, 2^3139644313 is an apocalyptic number.

It is an amenable number.

3139644313 is a deficient number, since it is larger than the sum of its proper divisors (377326547).

3139644313 is a wasteful number, since it uses less digits than its factorization.

3139644313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640668 (or 640655 counting only the distinct ones).

The product of its digits is 69984, while the sum is 37.

The square root of 3139644313 is about 56032.5290612516. The cubic root of 3139644313 is about 1464.2890566691.

The spelling of 3139644313 in words is "three billion, one hundred thirty-nine million, six hundred forty-four thousand, three hundred thirteen".