21462589596468 has 12 divisors (see below), whose sum is σ = 50079375725120. Its totient is φ = 7154196532152.

The previous prime is 21462589596467. The next prime is 21462589596479. The reversal of 21462589596468 is 86469598526412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 21462589596468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21462589596463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894274566508 + ... + 894274566531.

Almost surely, 2^{21462589596468} is an apocalyptic number.

It is an amenable number.

21462589596468 is an abundant number, since it is smaller than the sum of its proper divisors (28616786128652).

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

21462589596468 is a wasteful number, since it uses less digits than its factorization.

21462589596468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788549133046 (or 1788549133044 counting only the distinct ones).

The product of its digits is 1791590400, while the sum is 75.

The spelling of 21462589596468 in words is "twenty-one trillion, four hundred sixty-two billion, five hundred eighty-nine million, five hundred ninety-six thousand, four hundred sixty-eight".