21632357015210 has 128 divisors (see below), whose sum is σ = 42030352465920. Its totient is φ = 7987143250944.

The previous prime is 21632357015173. The next prime is 21632357015219. The reversal of 21632357015210 is 1251075323612.

It is not an unprimeable number, because it can be changed into a prime (21632357015219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1398605897 + ... + 1398621363.

It is an arithmetic number, because the mean of its divisors is an integer number (328362128640).

Almost surely, 2^{21632357015210} is an apocalyptic number.

21632357015210 is a deficient number, since it is larger than the sum of its proper divisors (20397995450710).

21632357015210 is a wasteful number, since it uses less digits than its factorization.

21632357015210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16260.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 21632357015210 in words is "twenty-one trillion, six hundred thirty-two billion, three hundred fifty-seven million, fifteen thousand, two hundred ten".