518830349513 has 4 divisors (see below), whose sum is σ = 592948970880. Its totient is φ = 444711728148.

The previous prime is 518830349461. The next prime is 518830349533. The reversal of 518830349513 is 315943038815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 518830349513 - 2³² = 514535382217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (518830349533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37059310673 + ... + 37059310686.

It is an arithmetic number, because the mean of its divisors is an integer number (148237242720).

Almost surely, 2^518830349513 is an apocalyptic number.

It is an amenable number.

518830349513 is a deficient number, since it is larger than the sum of its proper divisors (74118621367).

518830349513 is an equidigital number, since it uses as much as digits as its factorization.

518830349513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74118621366.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 518830349513 in words is "five hundred eighteen billion, eight hundred thirty million, three hundred forty-nine thousand, five hundred thirteen".