21267269595084 has 12 divisors (see below), whose sum is σ = 49623629055224. Its totient is φ = 7089089865024.

The previous prime is 21267269595071. The next prime is 21267269595107. The reversal of 21267269595084 is 48059596276212.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886136233117 + ... + 886136233140.

Almost surely, 2^{21267269595084} is an apocalyptic number.

It is an amenable number.

21267269595084 is an abundant number, since it is smaller than the sum of its proper divisors (28356359460140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21267269595084 is a wasteful number, since it uses less digits than its factorization.

21267269595084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772272466264 (or 1772272466262 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 66.

The spelling of 21267269595084 in words is "twenty-one trillion, two hundred sixty-seven billion, two hundred sixty-nine million, five hundred ninety-five thousand, eighty-four".