21896838059595 has 32 divisors (see below), whose sum is σ = 35071970561280. Its totient is φ = 11665972156800.

The previous prime is 21896838059573. The next prime is 21896838059639. The reversal of 21896838059595 is 59595083869812.

It is not a de Polignac number, because 21896838059595 - 2³⁰ = 21895764317771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21896838059595.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236122177 + ... + 236214893.

It is an arithmetic number, because the mean of its divisors is an integer number (1095999080040).

Almost surely, 2^{21896838059595} is an apocalyptic number.

21896838059595 is a deficient number, since it is larger than the sum of its proper divisors (13175132501685).

21896838059595 is a wasteful number, since it uses less digits than its factorization.

21896838059595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109195.

The product of its (nonzero) digits is 1679616000, while the sum is 78.

The spelling of 21896838059595 in words is "twenty-one trillion, eight hundred ninety-six billion, eight hundred thirty-eight million, fifty-nine thousand, five hundred ninety-five".