518850053499 has 8 divisors (see below), whose sum is σ = 695276454400. Its totient is φ = 344161844136.

The previous prime is 518850053389. The next prime is 518850053509. The reversal of 518850053499 is 994350058815.

It is a happy number.

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

It is not a de Polignac number, because 518850053499 - 2³⁵ = 484490315131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518850053299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434547187 + ... + 434548380.

It is an arithmetic number, because the mean of its divisors is an integer number (86909556800).

Almost surely, 2^518850053499 is an apocalyptic number.

518850053499 is a deficient number, since it is larger than the sum of its proper divisors (176426400901).

518850053499 is a wasteful number, since it uses less digits than its factorization.

518850053499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869095769.

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 518850053499 in words is "five hundred eighteen billion, eight hundred fifty million, fifty-three thousand, four hundred ninety-nine".