509918713 has 8 divisors (see below), whose sum is σ = 539168000. Its totient is φ = 480910608.

The previous prime is 509918699. The next prime is 509918743. The reversal of 509918713 is 317819905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509918713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 509918713.

It is not an unprimeable number, because it can be changed into a prime (509918743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55938 + ... + 64411.

It is an arithmetic number, because the mean of its divisors is an integer number (67396000).

Almost surely, 2^509918713 is an apocalyptic number.

It is an amenable number.

509918713 is a deficient number, since it is larger than the sum of its proper divisors (29249287).

509918713 is a wasteful number, since it uses less digits than its factorization.

509918713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120591.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 509918713 is about 22581.3797851238. The cubic root of 509918713 is about 798.9145241982.

The spelling of 509918713 in words is "five hundred nine million, nine hundred eighteen thousand, seven hundred thirteen".