518858747394 has 32 divisors (see below), whose sum is σ = 1176359916480. Its totient is φ = 151246274112.

The previous prime is 518858747389. The next prime is 518858747417. The reversal of 518858747394 is 493747858815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175052077 + ... + 175055040.

It is an arithmetic number, because the mean of its divisors is an integer number (36761247390).

Almost surely, 2^518858747394 is an apocalyptic number.

518858747394 is an abundant number, since it is smaller than the sum of its proper divisors (657501169086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518858747394 is a wasteful number, since it uses less digits than its factorization.

518858747394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350107154.

The product of its digits is 270950400, while the sum is 69.

The spelling of 518858747394 in words is "five hundred eighteen billion, eight hundred fifty-eight million, seven hundred forty-seven thousand, three hundred ninety-four".