21325888682 has 48 divisors (see below), whose sum is σ = 38245887360. Its totient is φ = 8889072192.

The previous prime is 21325888681. The next prime is 21325888721. The reversal of 21325888682 is 28688852312.

It is not an unprimeable number, because it can be changed into a prime (21325888681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498158 + ... + 539270.

It is an arithmetic number, because the mean of its divisors is an integer number (796789320).

Almost surely, 2^21325888682 is an apocalyptic number.

21325888682 is a deficient number, since it is larger than the sum of its proper divisors (16919998678).

21325888682 is a wasteful number, since it uses less digits than its factorization.

21325888682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41275 (or 41268 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 53.

The spelling of 21325888682 in words is "twenty-one billion, three hundred twenty-five million, eight hundred eighty-eight thousand, six hundred eighty-two".