518707053669 has 32 divisors (see below), whose sum is σ = 795639245824. Its totient is φ = 294445082880.

The previous prime is 518707053661. The next prime is 518707053671. The reversal of 518707053669 is 966350707815.

It is not a de Polignac number, because 518707053669 - 2³ = 518707053661 is a prime.

It is a super-2 number, since 2×518707053669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518707053661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7362042 + ... + 7432164.

It is an arithmetic number, because the mean of its divisors is an integer number (24863726432).

Almost surely, 2^518707053669 is an apocalyptic number.

It is an amenable number.

518707053669 is a deficient number, since it is larger than the sum of its proper divisors (276932192155).

518707053669 is a wasteful number, since it uses less digits than its factorization.

518707053669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72457.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 518707053669 in words is "five hundred eighteen billion, seven hundred seven million, fifty-three thousand, six hundred sixty-nine".