3115644742 has 16 divisors (see below), whose sum is σ = 5431633920. Its totient is φ = 1312644168.

The previous prime is 3115644737. The next prime is 3115644781. The reversal of 3115644742 is 2474465113.

It is a congruent number.

It is an unprimeable number.

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, 1885158 + ... + 1886809.

It is an arithmetic number, because the mean of its divisors is an integer number (339477120).

Almost surely, 2^3115644742 is an apocalyptic number.

3115644742 is a deficient number, since it is larger than the sum of its proper divisors (2315989178).

3115644742 is a wasteful number, since it uses less digits than its factorization.

3115644742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772035.

The product of its digits is 80640, while the sum is 37.

The square root of 3115644742 is about 55817.9607474153. The cubic root of 3115644742 is about 1460.5484806710.

The spelling of 3115644742 in words is "three billion, one hundred fifteen million, six hundred forty-four thousand, seven hundred forty-two".