21652612604414 has 64 divisors (see below), whose sum is σ = 37668977579520. Its totient is φ = 9230955120000.

The previous prime is 21652612604393. The next prime is 21652612604417. The reversal of 21652612604414 is 41440621625612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21652612604417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872338124 + ... + 872362944.

It is an arithmetic number, because the mean of its divisors is an integer number (588577774680).

Almost surely, 2^{21652612604414} is an apocalyptic number.

21652612604414 is a deficient number, since it is larger than the sum of its proper divisors (16016364975106).

21652612604414 is a wasteful number, since it uses less digits than its factorization.

21652612604414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45617.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 21652612604414 in words is "twenty-one trillion, six hundred fifty-two billion, six hundred twelve million, six hundred four thousand, four hundred fourteen".