21733733732 has 12 divisors (see below), whose sum is σ = 38085229056. Its totient is φ = 10852239720.

The previous prime is 21733733731. The next prime is 21733733741. The reversal of 21733733732 is 23733733712.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 21733733732.

It is not an unprimeable number, because it can be changed into a prime (21733733731) by changing a digit.

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, 3653444 + ... + 3659387.

It is an arithmetic number, because the mean of its divisors is an integer number (3173769088).

Almost surely, 2^21733733732 is an apocalyptic number.

It is an amenable number.

21733733732 is a deficient number, since it is larger than the sum of its proper divisors (16351495324).

21733733732 is a wasteful number, since it uses less digits than its factorization.

21733733732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313578 (or 7313576 counting only the distinct ones).

The product of its digits is 333396, while the sum is 41.

The spelling of 21733733732 in words is "twenty-one billion, seven hundred thirty-three million, seven hundred thirty-three thousand, seven hundred thirty-two".