21714535464 has 32 divisors (see below), whose sum is σ = 54442804320. Its totient is φ = 7217316416.

The previous prime is 21714535411. The next prime is 21714535517. The reversal of 21714535464 is 46453541712.

It is an interprime number because it is at equal distance from previous prime (21714535411) and next prime (21714535517).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 1295379 + ... + 1312034.

It is an arithmetic number, because the mean of its divisors is an integer number (1701337635).

Almost surely, 2^21714535464 is an apocalyptic number.

21714535464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21714535464 is an abundant number, since it is smaller than the sum of its proper divisors (32728268856).

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

21714535464 is a wasteful number, since it uses less digits than its factorization.

21714535464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607769 (or 2607765 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The spelling of 21714535464 in words is "twenty-one billion, seven hundred fourteen million, five hundred thirty-five thousand, four hundred sixty-four".