2321552636 has 12 divisors (see below), whose sum is σ = 4375233912. Its totient is φ = 1071485808.

The previous prime is 2321552627. The next prime is 2321552659. The reversal of 2321552636 is 6362551232.

It is a junction number, because it is equal to n+sod(n) for n = 2321552596 and 2321552605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22322570 + ... + 22322673.

It is an arithmetic number, because the mean of its divisors is an integer number (364602826).

Almost surely, 2^2321552636 is an apocalyptic number.

2321552636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2321552636 is a deficient number, since it is larger than the sum of its proper divisors (2053681276).

2321552636 is a wasteful number, since it uses less digits than its factorization.

2321552636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44645260 (or 44645258 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 2321552636 is about 48182.4930446734. The cubic root of 2321552636 is about 1324.1164416291.

The spelling of 2321552636 in words is "two billion, three hundred twenty-one million, five hundred fifty-two thousand, six hundred thirty-six".