518474517208 has 16 divisors (see below), whose sum is σ = 972285940080. Its totient is φ = 259198266528.

The previous prime is 518474517203. The next prime is 518474517251. The reversal of 518474517208 is 802715474815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518474517203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4817460 + ... + 4923907.

It is an arithmetic number, because the mean of its divisors is an integer number (60767871255).

Almost surely, 2^518474517208 is an apocalyptic number.

It is an amenable number.

518474517208 is a deficient number, since it is larger than the sum of its proper divisors (453811422872).

518474517208 is a wasteful number, since it uses less digits than its factorization.

518474517208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748026 (or 9748022 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 52.

The spelling of 518474517208 in words is "five hundred eighteen billion, four hundred seventy-four million, five hundred seventeen thousand, two hundred eight".