421317552834 has 96 divisors (see below), whose sum is σ = 946978591104. Its totient is φ = 135284117760.

The previous prime is 421317552827. The next prime is 421317552839. The reversal of 421317552834 is 438255713124.

421317552834 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 17 + 552 + 83 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 421317552834.

It is not an unprimeable number, because it can be changed into a prime (421317552839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26368872 + ... + 26384844.

It is an arithmetic number, because the mean of its divisors is an integer number (9864360324).

Almost surely, 2^421317552834 is an apocalyptic number.

421317552834 is an abundant number, since it is smaller than the sum of its proper divisors (525661038270).

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

421317552834 is a wasteful number, since it uses less digits than its factorization.

421317552834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16472 (or 16469 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 421317552834 in words is "four hundred twenty-one billion, three hundred seventeen million, five hundred fifty-two thousand, eight hundred thirty-four".