3694143631 has 8 divisors (see below), whose sum is σ = 3785285504. Its totient is φ = 3603239640.

The previous prime is 3694143623. The next prime is 3694143641. The reversal of 3694143631 is 1363414963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3694143631 - 2³ = 3694143623 is a prime.

It is a super-2 number, since 2×3694143631² = 27293394332915728322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694143601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27825 + ... + 90346.

It is an arithmetic number, because the mean of its divisors is an integer number (473160688).

Almost surely, 2^3694143631 is an apocalyptic number.

3694143631 is a deficient number, since it is larger than the sum of its proper divisors (91141873).

3694143631 is a wasteful number, since it uses less digits than its factorization.

3694143631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118941.

The product of its digits is 139968, while the sum is 40.

The square root of 3694143631 is about 60779.4671825938. The cubic root of 3694143631 is about 1545.8639130358.

The spelling of 3694143631 in words is "three billion, six hundred ninety-four million, one hundred forty-three thousand, six hundred thirty-one".