21233613304 has 8 divisors (see below), whose sum is σ = 39813024960. Its totient is φ = 10616806648.

The previous prime is 21233613253. The next prime is 21233613311. The reversal of 21233613304 is 40331633212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327100824 + ... + 1327100839.

It is an arithmetic number, because the mean of its divisors is an integer number (4976628120).

Almost surely, 2^21233613304 is an apocalyptic number.

It is an amenable number.

21233613304 is a deficient number, since it is larger than the sum of its proper divisors (18579411656).

21233613304 is a wasteful number, since it uses less digits than its factorization.

21233613304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654201669 (or 2654201665 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 21233613304 in words is "twenty-one billion, two hundred thirty-three million, six hundred thirteen thousand, three hundred four".