2331620864 has 40 divisors (see below), whose sum is σ = 4663054968. Its totient is φ = 1164718080.

The previous prime is 2331620861. The next prime is 2331620927. The reversal of 2331620864 is 4680261332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331620861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090004 + ... + 1092140.

Almost surely, 2^2331620864 is an apocalyptic number.

It is an amenable number.

2331620864 is a deficient number, since it is larger than the sum of its proper divisors (2331434104).

2331620864 is an equidigital number, since it uses as much as digits as its factorization.

2331620864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286 (or 4270 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2331620864 is about 48286.8601588465. The cubic root of 2331620864 is about 1326.0278463896.

The spelling of 2331620864 in words is "two billion, three hundred thirty-one million, six hundred twenty thousand, eight hundred sixty-four".