21465059232882 has 8 divisors (see below), whose sum is σ = 42930118465776. Its totient is φ = 7155019744292.

The previous prime is 21465059232809. The next prime is 21465059232889. The reversal of 21465059232882 is 28823295056412.

It is a sphenic number, since it is the product of 3 distinct primes.

21465059232882 is an admirable number.

It is a super-2 number, since 2×21465059232882² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21465059232889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788754936068 + ... + 1788754936079.

It is an arithmetic number, because the mean of its divisors is an integer number (5366264808222).

Almost surely, 2^{21465059232882} is an apocalyptic number.

21465059232882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21465059232882 is a wasteful number, since it uses less digits than its factorization.

21465059232882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577509872152.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 21465059232882 in words is "twenty-one trillion, four hundred sixty-five billion, fifty-nine million, two hundred thirty-two thousand, eight hundred eighty-two".