21092495262 has 16 divisors (see below), whose sum is σ = 42349137552. Its totient is φ = 7003473920.

The previous prime is 21092495219. The next prime is 21092495293. The reversal of 21092495262 is 26259429012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6837789 + ... + 6840872.

It is an arithmetic number, because the mean of its divisors is an integer number (2646821097).

Almost surely, 2^21092495262 is an apocalyptic number.

21092495262 is an abundant number, since it is smaller than the sum of its proper divisors (21256642290).

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

21092495262 is a wasteful number, since it uses less digits than its factorization.

21092495262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678923.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 21092495262 in words is "twenty-one billion, ninety-two million, four hundred ninety-five thousand, two hundred sixty-two".