21133260892969 has 16 divisors (see below), whose sum is σ = 21358152990720. Its totient is φ = 20908755873360.

The previous prime is 21133260892927. The next prime is 21133260892999. The reversal of 21133260892969 is 96929806233112.

It is a cyclic number.

It is not a de Polignac number, because 21133260892969 - 2³⁵ = 21098901154601 is a prime.

It is a super-2 number, since 2×21133260892969² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21133260892999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631222572 + ... + 631256050.

It is an arithmetic number, because the mean of its divisors is an integer number (1334884561920).

Almost surely, 2^{21133260892969} is an apocalyptic number.

It is an amenable number.

21133260892969 is a deficient number, since it is larger than the sum of its proper divisors (224892097751).

21133260892969 is a wasteful number, since it uses less digits than its factorization.

21133260892969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39060.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 21133260892969 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred sixty million, eight hundred ninety-two thousand, nine hundred sixty-nine".