518999107 has 8 divisors (see below), whose sum is σ = 566364672. Its totient is φ = 471664200.

The previous prime is 518999101. The next prime is 518999119. The reversal of 518999107 is 701999815.

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 518999107 - 2³ = 518999099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518999101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41458 + ... + 52504.

It is an arithmetic number, because the mean of its divisors is an integer number (70795584).

Almost surely, 2^518999107 is an apocalyptic number.

518999107 is a deficient number, since it is larger than the sum of its proper divisors (47365565).

518999107 is a wasteful number, since it uses less digits than its factorization.

518999107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329.

The product of its (nonzero) digits is 204120, while the sum is 49.

The square root of 518999107 is about 22781.5519006059. The cubic root of 518999107 is about 803.6288823557.

The spelling of 518999107 in words is "five hundred eighteen million, nine hundred ninety-nine thousand, one hundred seven".