21602474062604 has 6 divisors (see below), whose sum is σ = 37804329609564. Its totient is φ = 10801237031300.

The previous prime is 21602474062517. The next prime is 21602474062621. The reversal of 21602474062604 is 40626047420612.

It is a super-2 number, since 2×21602474062604² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700309257822 + ... + 2700309257829.

It is an arithmetic number, because the mean of its divisors is an integer number (6300721601594).

Almost surely, 2^{21602474062604} is an apocalyptic number.

It is an amenable number.

21602474062604 is a deficient number, since it is larger than the sum of its proper divisors (16201855546960).

21602474062604 is a wasteful number, since it uses less digits than its factorization.

21602474062604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400618515655 (or 5400618515653 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 21602474062604 in words is "twenty-one trillion, six hundred two billion, four hundred seventy-four million, sixty-two thousand, six hundred four".