21613474763202 has 96 divisors (see below), whose sum is σ = 50377616150400. Its totient is φ = 6163836107520.

The previous prime is 21613474763171. The next prime is 21613474763203. The reversal of 21613474763202 is 20236747431612.

It is not an unprimeable number, because it can be changed into a prime (21613474763203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1613300368 + ... + 1613313764.

It is an arithmetic number, because the mean of its divisors is an integer number (524766834900).

Almost surely, 2^{21613474763202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21613474763202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25188808075200).

21613474763202 is an abundant number, since it is smaller than the sum of its proper divisors (28764141387198).

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

21613474763202 is a wasteful number, since it uses less digits than its factorization.

21613474763202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176 (or 23169 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 21613474763202 in words is "twenty-one trillion, six hundred thirteen billion, four hundred seventy-four million, seven hundred sixty-three thousand, two hundred two".