21632325486 has 32 divisors (see below), whose sum is σ = 43412425728. Its totient is φ = 7186190400.

The previous prime is 21632325479. The next prime is 21632325487. The reversal of 21632325486 is 68452323612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21632325487) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2183901 + ... + 2193783.

It is an arithmetic number, because the mean of its divisors is an integer number (1356638304).

Almost surely, 2^21632325486 is an apocalyptic number.

21632325486 is an abundant number, since it is smaller than the sum of its proper divisors (21780100242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21632325486 is a wasteful number, since it uses less digits than its factorization.

21632325486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11096.

The product of its digits is 414720, while the sum is 42.

The spelling of 21632325486 in words is "twenty-one billion, six hundred thirty-two million, three hundred twenty-five thousand, four hundred eighty-six".