518689474 has 8 divisors (see below), whose sum is σ = 818983440. Its totient is φ = 245694996.

The previous prime is 518689469. The next prime is 518689513. The reversal of 518689474 is 474986815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×518689474³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6824824 + ... + 6824899.

It is an arithmetic number, because the mean of its divisors is an integer number (102372930).

Almost surely, 2^518689474 is an apocalyptic number.

518689474 is a deficient number, since it is larger than the sum of its proper divisors (300293966).

518689474 is a wasteful number, since it uses less digits than its factorization.

518689474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649744.

The product of its digits is 1935360, while the sum is 52.

The square root of 518689474 is about 22774.7551907809. The cubic root of 518689474 is about 803.4690365303.

The spelling of 518689474 in words is "five hundred eighteen million, six hundred eighty-nine thousand, four hundred seventy-four".