441643613898 has 16 divisors (see below), whose sum is σ = 883293922656. Its totient is φ = 147213422160.

The previous prime is 441643613897. The next prime is 441643613899. The reversal of 441643613898 is 898316346144.

It is an interprime number because it is at equal distance from previous prime (441643613897) and next prime (441643613899).

It is not an unprimeable number, because it can be changed into a prime (441643613891) 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 7 ways as a sum of consecutive naturals, for example, 1112640 + ... + 1456452.

It is an arithmetic number, because the mean of its divisors is an integer number (55205870166).

Almost surely, 2^441643613898 is an apocalyptic number.

441643613898 is an abundant number, since it is smaller than the sum of its proper divisors (441650308758).

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

441643613898 is a wasteful number, since it uses less digits than its factorization.

441643613898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557909.

The product of its digits is 11943936, while the sum is 57.

The spelling of 441643613898 in words is "four hundred forty-one billion, six hundred forty-three million, six hundred thirteen thousand, eight hundred ninety-eight".