428971485918 has 16 divisors (see below), whose sum is σ = 858121804800. Its totient is φ = 142960689816.

The previous prime is 428971485907. The next prime is 428971485977. The reversal of 428971485918 is 819584179824.

It is a congruent number.

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, 7420180 + ... + 7477767.

It is an arithmetic number, because the mean of its divisors is an integer number (53632612800).

Almost surely, 2^428971485918 is an apocalyptic number.

428971485918 is an abundant number, since it is smaller than the sum of its proper divisors (429150318882).

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

428971485918 is a wasteful number, since it uses less digits than its factorization.

428971485918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902751.

The product of its digits is 46448640, while the sum is 66.

The spelling of 428971485918 in words is "four hundred twenty-eight billion, nine hundred seventy-one million, four hundred eighty-five thousand, nine hundred eighteen".