21933795036 has 12 divisors (see below), whose sum is σ = 51178855112. Its totient is φ = 7311265008.

The previous prime is 21933795007. The next prime is 21933795041. The reversal of 21933795036 is 63059733912.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 913908115 + ... + 913908138.

Almost surely, 2^21933795036 is an apocalyptic number.

It is an amenable number.

21933795036 is an abundant number, since it is smaller than the sum of its proper divisors (29245060076).

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

21933795036 is a wasteful number, since it uses less digits than its factorization.

21933795036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827816260 (or 1827816258 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The spelling of 21933795036 in words is "twenty-one billion, nine hundred thirty-three million, seven hundred ninety-five thousand, thirty-six".