3942999975 has 24 divisors (see below), whose sum is σ = 6902571600. Its totient is φ = 1979230720.

The previous prime is 3942999967. The next prime is 3943000001. The reversal of 3942999975 is 5799992493.

It is not a de Polignac number, because 3942999975 - 2³ = 3942999967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545000 + ... + 1547549.

It is an arithmetic number, because the mean of its divisors is an integer number (287607150).

Almost surely, 2^3942999975 is an apocalyptic number.

3942999975 is a deficient number, since it is larger than the sum of its proper divisors (2959571625).

3942999975 is a wasteful number, since it uses less digits than its factorization.

3942999975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092579 (or 3092574 counting only the distinct ones).

The product of its digits is 49601160, while the sum is 66.

The square root of 3942999975 is about 62793.3115466926. The cubic root of 3942999975 is about 1579.8247916329.

The spelling of 3942999975 in words is "three billion, nine hundred forty-two million, nine hundred ninety-nine thousand, nine hundred seventy-five".