815484465374812 has 24 divisors (see below), whose sum is σ = 1489147367450400. Its totient is φ = 390013832341056.

The previous prime is 815484465374783. The next prime is 815484465374879. The reversal of 815484465374812 is 218473564484518.

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, 76942114 + ... + 86896822.

It is an arithmetic number, because the mean of its divisors is an integer number (62047806977100).

Almost surely, 2^{815484465374812} is an apocalyptic number.

It is an amenable number.

815484465374812 is a deficient number, since it is larger than the sum of its proper divisors (673662902075588).

815484465374812 is a wasteful number, since it uses less digits than its factorization.

815484465374812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845165 (or 10845163 counting only the distinct ones).

The product of its digits is 825753600, while the sum is 70.

The spelling of 815484465374812 in words is "eight hundred fifteen trillion, four hundred eighty-four billion, four hundred sixty-five million, three hundred seventy-four thousand, eight hundred twelve".