21263809320314 has 16 divisors (see below), whose sum is σ = 34795774686816. Its totient is φ = 9665242777200.

The previous prime is 21263809320239. The next prime is 21263809320317. The reversal of 21263809320314 is 41302390836212.

It is not an unprimeable number, because it can be changed into a prime (21263809320317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505477 + ... + 7926344.

It is an arithmetic number, because the mean of its divisors is an integer number (2174735917926).

Almost surely, 2^{21263809320314} is an apocalyptic number.

21263809320314 is a deficient number, since it is larger than the sum of its proper divisors (13531965366502).

21263809320314 is a wasteful number, since it uses less digits than its factorization.

21263809320314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12509581.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 21263809320314 in words is "twenty-one trillion, two hundred sixty-three billion, eight hundred nine million, three hundred twenty thousand, three hundred fourteen".