2312564636 has 12 divisors (see below), whose sum is σ = 4048402512. Its totient is φ = 1155878208.

The previous prime is 2312564633. The next prime is 2312564669. The reversal of 2312564636 is 6364652132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312564636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312564633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 87965 + ... + 111188.

It is an arithmetic number, because the mean of its divisors is an integer number (337366876).

Almost surely, 2^2312564636 is an apocalyptic number.

It is an amenable number.

2312564636 is a deficient number, since it is larger than the sum of its proper divisors (1735837876).

2312564636 is a wasteful number, since it uses less digits than its factorization.

2312564636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202060 (or 202058 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 2312564636 is about 48089.1322026089. The cubic root of 2312564636 is about 1322.4054386644.

The spelling of 2312564636 in words is "two billion, three hundred twelve million, five hundred sixty-four thousand, six hundred thirty-six".