818461412475 has 96 divisors (see below), whose sum is σ = 1584783567360. Its totient is φ = 364898688000.

The previous prime is 818461412401. The next prime is 818461412501. The reversal of 818461412475 is 574214164818.

It is a happy number.

It is not a de Polignac number, because 818461412475 - 2¹³ = 818461404283 is a prime.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 86504245 + ... + 86513705.

It is an arithmetic number, because the mean of its divisors is an integer number (16508162160).

Almost surely, 2^818461412475 is an apocalyptic number.

818461412475 is a deficient number, since it is larger than the sum of its proper divisors (766322154885).

818461412475 is a wasteful number, since it uses less digits than its factorization.

818461412475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13541 (or 13536 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The spelling of 818461412475 in words is "eight hundred eighteen billion, four hundred sixty-one million, four hundred twelve thousand, four hundred seventy-five".