21602464640522 has 8 divisors (see below), whose sum is σ = 32403828684672. Its totient is φ = 10801188412300.

The previous prime is 21602464640521. The next prime is 21602464640597. The reversal of 21602464640522 is 22504646420612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21602464640521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21335504 + ... + 22325067.

It is an arithmetic number, because the mean of its divisors is an integer number (4050478585584).

Almost surely, 2^{21602464640522} is an apocalyptic number.

21602464640522 is a deficient number, since it is larger than the sum of its proper divisors (10801364044150).

21602464640522 is a wasteful number, since it uses less digits than its factorization.

21602464640522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43907964.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 21602464640522 in words is "twenty-one trillion, six hundred two billion, four hundred sixty-four million, six hundred forty thousand, five hundred twenty-two".