518009448959 has 8 divisors (see below), whose sum is σ = 518585711472. Its totient is φ = 517433417280.

The previous prime is 518009448893. The next prime is 518009448961. The reversal of 518009448959 is 959844900815.

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

It is a cyclic number.

It is not a de Polignac number, because 518009448959 - 2²⁰ = 518008400383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518009448259) 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, 4644107 + ... + 4754339.

It is an arithmetic number, because the mean of its divisors is an integer number (64823213934).

Almost surely, 2^518009448959 is an apocalyptic number.

518009448959 is a deficient number, since it is larger than the sum of its proper divisors (576262513).

518009448959 is a wasteful number, since it uses less digits than its factorization.

518009448959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115417.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 518009448959 in words is "five hundred eighteen billion, nine million, four hundred forty-eight thousand, nine hundred fifty-nine".