21732636082 has 16 divisors (see below), whose sum is σ = 32825476800. Its totient is φ = 10790845168.

The previous prime is 21732636071. The next prime is 21732636109. The reversal of 21732636082 is 28063623712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262093 + ... + 2271679.

It is an arithmetic number, because the mean of its divisors is an integer number (2051592300).

Almost surely, 2^21732636082 is an apocalyptic number.

21732636082 is a deficient number, since it is larger than the sum of its proper divisors (11092840718).

21732636082 is a wasteful number, since it uses less digits than its factorization.

21732636082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17345.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 21732636082 in words is "twenty-one billion, seven hundred thirty-two million, six hundred thirty-six thousand, eighty-two".