3731143664 has 40 divisors (see below), whose sum is σ = 7412150592. Its totient is φ = 1818414080.

The previous prime is 3731143643. The next prime is 3731143679. The reversal of 3731143664 is 4663411373.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036652 + ... + 1040244.

Almost surely, 2^3731143664 is an apocalyptic number.

It is an amenable number.

3731143664 is a deficient number, since it is larger than the sum of its proper divisors (3681006928).

3731143664 is a wasteful number, since it uses less digits than its factorization.

3731143664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225 (or 5219 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 3731143664 is about 61083.0881995991. The cubic root of 3731143664 is about 1551.0078307132.

The spelling of 3731143664 in words is "three billion, seven hundred thirty-one million, one hundred forty-three thousand, six hundred sixty-four".