2321564316 has 12 divisors (see below), whose sum is σ = 5416983432. Its totient is φ = 773854768.

The previous prime is 2321564299. The next prime is 2321564351. The reversal of 2321564316 is 6134651232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2321564316³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96731835 + ... + 96731858.

It is an arithmetic number, because the mean of its divisors is an integer number (451415286).

Almost surely, 2^2321564316 is an apocalyptic number.

It is an amenable number.

2321564316 is an abundant number, since it is smaller than the sum of its proper divisors (3095419116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321564316 is a wasteful number, since it uses less digits than its factorization.

2321564316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193463700 (or 193463698 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 2321564316 is about 48182.6142503704. The cubic root of 2321564316 is about 1324.1186622197.

The spelling of 2321564316 in words is "two billion, three hundred twenty-one million, five hundred sixty-four thousand, three hundred sixteen".