3975886294690 has 16 divisors (see below), whose sum is σ = 7156739484792. Its totient is φ = 1590322483584.

The previous prime is 3975886294663. The next prime is 3975886294747. The reversal of 3975886294690 is 964926885793.

It can be written as a sum of positive squares in 4 ways, for example, as 3808808914689 + 167077380001 = 1951617^2 + 408751^2 .

It is a super-2 number, since 2×3975886294690² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3479739 + ... + 4478878.

Almost surely, 2^{3975886294690} is an apocalyptic number.

3975886294690 is a deficient number, since it is larger than the sum of its proper divisors (3180853190102).

3975886294690 is a wasteful number, since it uses less digits than its factorization.

3975886294690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008581.

The product of its (nonzero) digits is 1410877440, while the sum is 76.

The spelling of 3975886294690 in words is "three trillion, nine hundred seventy-five billion, eight hundred eighty-six million, two hundred ninety-four thousand, six hundred ninety".