21692794795 has 32 divisors (see below), whose sum is σ = 30479379840. Its totient is φ = 14513541120.

The previous prime is 21692794769. The next prime is 21692794811. The reversal of 21692794795 is 59749729612.

It is not a de Polignac number, because 21692794795 - 2¹¹ = 21692792747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303451 + ... + 368059.

It is an arithmetic number, because the mean of its divisors is an integer number (952480620).

Almost surely, 2^21692794795 is an apocalyptic number.

21692794795 is a deficient number, since it is larger than the sum of its proper divisors (8786585045).

21692794795 is a wasteful number, since it uses less digits than its factorization.

21692794795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64855.

The product of its digits is 17146080, while the sum is 61.

The spelling of 21692794795 in words is "twenty-one billion, six hundred ninety-two million, seven hundred ninety-four thousand, seven hundred ninety-five".