3144976939 has 32 divisors (see below), whose sum is σ = 3579215360. Its totient is φ = 2759702400.

The previous prime is 3144976937. The next prime is 3144976979. The reversal of 3144976939 is 9396794413.

It is a happy number.

It is not a de Polignac number, because 3144976939 - 2¹ = 3144976937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3144976939.

It is not an unprimeable number, because it can be changed into a prime (3144976937) 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 31 ways as a sum of consecutive naturals, for example, 4154149 + ... + 4154905.

It is an arithmetic number, because the mean of its divisors is an integer number (111850480).

Almost surely, 2^3144976939 is an apocalyptic number.

3144976939 is a deficient number, since it is larger than the sum of its proper divisors (434238421).

3144976939 is an equidigital number, since it uses as much as digits as its factorization.

3144976939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 862 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 55.

The square root of 3144976939 is about 56080.0939639013. The cubic root of 3144976939 is about 1465.1176100993.

The spelling of 3144976939 in words is "three billion, one hundred forty-four million, nine hundred seventy-six thousand, nine hundred thirty-nine".