421964933715 has 48 divisors (see below), whose sum is σ = 788979129120. Its totient is φ = 207390758400.

The previous prime is 421964933707. The next prime is 421964933749. The reversal of 421964933715 is 517339469124.

421964933715 is a `hidden beast` number, since 4 + 21 + 96 + 493 + 37 + 15 = 666.

421964933715 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 421964933715 - 2³ = 421964933707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248505 + ... + 951674.

It is an arithmetic number, because the mean of its divisors is an integer number (16437065190).

Almost surely, 2^421964933715 is an apocalyptic number.

421964933715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421964933715 is a deficient number, since it is larger than the sum of its proper divisors (367014195405).

421964933715 is a wasteful number, since it uses less digits than its factorization.

421964933715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200804 (or 1200801 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 421964933715 in words is "four hundred twenty-one billion, nine hundred sixty-four million, nine hundred thirty-three thousand, seven hundred fifteen".