21204605602614 has 16 divisors (see below), whose sum is σ = 48467669948928. Its totient is φ = 6058458743592.

The previous prime is 21204605602591. The next prime is 21204605602633. The reversal of 21204605602614 is 41620650640212.

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, 252435780942 + ... + 252435781025.

It is an arithmetic number, because the mean of its divisors is an integer number (3029229371808).

Almost surely, 2^{21204605602614} is an apocalyptic number.

21204605602614 is an abundant number, since it is smaller than the sum of its proper divisors (27263064346314).

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

21204605602614 is a wasteful number, since it uses less digits than its factorization.

21204605602614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504871561979.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 21204605602614 in words is "twenty-one trillion, two hundred four billion, six hundred five million, six hundred two thousand, six hundred fourteen".