2157597632 has 28 divisors (see below), whose sum is σ = 4288063560. Its totient is φ = 1077140736.

The previous prime is 2157597581. The next prime is 2157597671. The reversal of 2157597632 is 2367957512.

It is a super-2 number, since 2×2157597632² = 9310455083224014848, which contains 22 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, 16598 + ... + 67754.

Almost surely, 2^2157597632 is an apocalyptic number.

It is an amenable number.

2157597632 is a deficient number, since it is larger than the sum of its proper divisors (2130465928).

2157597632 is an equidigital number, since it uses as much as digits as its factorization.

2157597632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51828 (or 51818 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The square root of 2157597632 is about 46449.9475995399. The cubic root of 2157597632 is about 1292.1814005953.

The spelling of 2157597632 in words is "two billion, one hundred fifty-seven million, five hundred ninety-seven thousand, six hundred thirty-two".