21833406604 has 24 divisors (see below), whose sum is σ = 40621966560. Its totient is φ = 10245041664.

The previous prime is 21833406593. The next prime is 21833406613. The reversal of 21833406604 is 40660433812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233989 + ... + 2243740.

It is an arithmetic number, because the mean of its divisors is an integer number (1692581940).

Almost surely, 2^21833406604 is an apocalyptic number.

It is an amenable number.

21833406604 is a deficient number, since it is larger than the sum of its proper divisors (18788559956).

21833406604 is a wasteful number, since it uses less digits than its factorization.

21833406604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477809 (or 4477807 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 21833406604 in words is "twenty-one billion, eight hundred thirty-three million, four hundred six thousand, six hundred four".