3974985695 has 32 divisors (see below), whose sum is σ = 5148057600. Its totient is φ = 2937813120.

The previous prime is 3974985689. The next prime is 3974985709. The reversal of 3974985695 is 5965894793.

It is not a de Polignac number, because 3974985695 - 2²⁴ = 3958208479 is a prime.

It is a super-2 number, since 2×3974985695² = 31601022550909266050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2840606 + ... + 2842004.

It is an arithmetic number, because the mean of its divisors is an integer number (160876800).

Almost surely, 2^3974985695 is an apocalyptic number.

3974985695 is a deficient number, since it is larger than the sum of its proper divisors (1173071905).

3974985695 is a wasteful number, since it uses less digits than its factorization.

3974985695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255.

The product of its digits is 73483200, while the sum is 65.

The square root of 3974985695 is about 63047.4876184611. The cubic root of 3974985695 is about 1584.0851524163.

The spelling of 3974985695 in words is "three billion, nine hundred seventy-four million, nine hundred eighty-five thousand, six hundred ninety-five".