21392594079362 has 32 divisors (see below), whose sum is σ = 35676198995904. Its totient is φ = 9537856744000.

The previous prime is 21392594079331. The next prime is 21392594079407. The reversal of 21392594079362 is 26397049529312.

It is a junction number, because it is equal to n+sod(n) for n = 21392594079295 and 21392594079304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836713 + ... + 6794019.

It is an arithmetic number, because the mean of its divisors is an integer number (1114881218622).

Almost surely, 2^{21392594079362} is an apocalyptic number.

21392594079362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21392594079362 is a deficient number, since it is larger than the sum of its proper divisors (14283604916542).

21392594079362 is a wasteful number, since it uses less digits than its factorization.

21392594079362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961074.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 21392594079362 in words is "twenty-one trillion, three hundred ninety-two billion, five hundred ninety-four million, seventy-nine thousand, three hundred sixty-two".