21333059044 has 24 divisors (see below), whose sum is σ = 41495182848. Its totient is φ = 9513884640.

The previous prime is 21333059021. The next prime is 21333059047. The reversal of 21333059044 is 44095033312.

It is not an unprimeable number, because it can be changed into a prime (21333059047) 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 7 ways as a sum of consecutive naturals, for example, 4571652 + ... + 4576315.

It is an arithmetic number, because the mean of its divisors is an integer number (1728965952).

Almost surely, 2^21333059044 is an apocalyptic number.

It is an amenable number.

21333059044 is a deficient number, since it is larger than the sum of its proper divisors (20162123804).

21333059044 is a wasteful number, since it uses less digits than its factorization.

21333059044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148035 (or 9148033 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 21333059044 in words is "twenty-one billion, three hundred thirty-three million, fifty-nine thousand, forty-four".