813485584318 has 24 divisors (see below), whose sum is σ = 1341597513816. Its totient is φ = 369668373360.

The previous prime is 813485584313. The next prime is 813485584361.

813485584318 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813485584313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476221 + ... + 1361527.

It is an arithmetic number, because the mean of its divisors is an integer number (55899896409).

Almost surely, 2^813485584318 is an apocalyptic number.

813485584318 is a deficient number, since it is larger than the sum of its proper divisors (528111929498).

813485584318 is a wasteful number, since it uses less digits than its factorization.

813485584318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889128 (or 889117 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 58.

The spelling of 813485584318 in words is "eight hundred thirteen billion, four hundred eighty-five million, five hundred eighty-four thousand, three hundred eighteen".