518679327139 has 8 divisors (see below), whose sum is σ = 542436026400. Its totient is φ = 495023079936.

The previous prime is 518679327121. The next prime is 518679327143. The reversal of 518679327139 is 931723976815.

It is a happy number.

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 518679327139 - 2⁷ = 518679327011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518679327149) 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, 25102452 + ... + 25123105.

It is an arithmetic number, because the mean of its divisors is an integer number (67804503300).

Almost surely, 2^518679327139 is an apocalyptic number.

518679327139 is a deficient number, since it is larger than the sum of its proper divisors (23756699261).

518679327139 is a wasteful number, since it uses less digits than its factorization.

518679327139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50226029.

The product of its digits is 17146080, while the sum is 61.

The spelling of 518679327139 in words is "five hundred eighteen billion, six hundred seventy-nine million, three hundred twenty-seven thousand, one hundred thirty-nine".