518369930 has 32 divisors (see below), whose sum is σ = 1006556544. Its totient is φ = 191071296.

The previous prime is 518369927. The next prime is 518369939. The reversal of 518369930 is 39963815.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (518369939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81029 + ... + 87191.

It is an arithmetic number, because the mean of its divisors is an integer number (31454892).

Almost surely, 2^518369930 is an apocalyptic number.

518369930 is a deficient number, since it is larger than the sum of its proper divisors (488186614).

518369930 is a wasteful number, since it uses less digits than its factorization.

518369930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 518369930 is about 22767.7387985720. The cubic root of 518369930 is about 803.3040075075.

The spelling of 518369930 in words is "five hundred eighteen million, three hundred sixty-nine thousand, nine hundred thirty".