3994619975 has 6 divisors (see below), whose sum is σ = 4953328800. Its totient is φ = 3195695960.

The previous prime is 3994619969. The next prime is 3994619989. The reversal of 3994619975 is 5799164993.

It is not a de Polignac number, because 3994619975 - 2²⁶ = 3927511111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79892375 + ... + 79892424.

It is an arithmetic number, because the mean of its divisors is an integer number (825554800).

Almost surely, 2^3994619975 is an apocalyptic number.

3994619975 is a deficient number, since it is larger than the sum of its proper divisors (958708825).

3994619975 is a wasteful number, since it uses less digits than its factorization.

3994619975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159784809 (or 159784804 counting only the distinct ones).

The product of its digits is 16533720, while the sum is 62.

The square root of 3994619975 is about 63203.0060598386. The cubic root of 3994619975 is about 1586.6890445425.

The spelling of 3994619975 in words is "three billion, nine hundred ninety-four million, six hundred nineteen thousand, nine hundred seventy-five".