21292786608192 has 84 divisors (see below), whose sum is σ = 66580285417776. Its totient is φ = 6452359576320.

The previous prime is 21292786608167. The next prime is 21292786608229. The reversal of 21292786608192 is 29180668729212.

21292786608192 is a `hidden beast` number, since 2 + 1 + 2 + 9 + 2 + 7 + 8 + 6 + 608 + 19 + 2 = 666.

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 11 ways as a sum of consecutive naturals, for example, 1680295638 + ... + 1680308309.

Almost surely, 2^{21292786608192} is an apocalyptic number.

21292786608192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21292786608192 is an abundant number, since it is smaller than the sum of its proper divisors (45287498809584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21292786608192 is a wasteful number, since it uses less digits than its factorization.

21292786608192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360603976 (or 3360603963 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 21292786608192 in words is "twenty-one trillion, two hundred ninety-two billion, seven hundred eighty-six million, six hundred eight thousand, one hundred ninety-two".