21307462113 has 16 divisors (see below), whose sum is σ = 32859703296. Its totient is φ = 12028996560.

The previous prime is 21307462093. The next prime is 21307462151. The reversal of 21307462113 is 31126470312.

It is a happy number.

It is not a de Polignac number, because 21307462113 - 2⁵ = 21307462081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21307462513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6110553 + ... + 6114038.

It is an arithmetic number, because the mean of its divisors is an integer number (2053731456).

Almost surely, 2^21307462113 is an apocalyptic number.

It is an amenable number.

21307462113 is a deficient number, since it is larger than the sum of its proper divisors (11552241183).

21307462113 is a wasteful number, since it uses less digits than its factorization.

21307462113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224684.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 21307462113 in words is "twenty-one billion, three hundred seven million, four hundred sixty-two thousand, one hundred thirteen".