21367590094 has 16 divisors (see below), whose sum is σ = 32840917200. Its totient is φ = 10420741440.

The previous prime is 21367590089. The next prime is 21367590103. The reversal of 21367590094 is 49009576312.

It is a happy number.

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, 344377 + ... + 401659.

It is an arithmetic number, because the mean of its divisors is an integer number (2052557325).

Almost surely, 2^21367590094 is an apocalyptic number.

21367590094 is a deficient number, since it is larger than the sum of its proper divisors (11473327106).

21367590094 is a wasteful number, since it uses less digits than its factorization.

21367590094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61875.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 21367590094 in words is "twenty-one billion, three hundred sixty-seven million, five hundred ninety thousand, ninety-four".