517718000049 has 8 divisors (see below), whose sum is σ = 720303304512. Its totient is φ = 330139014480.

The previous prime is 517718000021. The next prime is 517718000053. The reversal of 517718000049 is 940000817715.

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

It is not a de Polignac number, because 517718000049 - 2⁹ = 517717999537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (517718000549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751579642 + ... + 3751579779.

It is an arithmetic number, because the mean of its divisors is an integer number (90037913064).

Almost surely, 2^517718000049 is an apocalyptic number.

It is an amenable number.

517718000049 is a deficient number, since it is larger than the sum of its proper divisors (202585304463).

517718000049 is a wasteful number, since it uses less digits than its factorization.

517718000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503159447.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 517718000049 in words is "five hundred seventeen billion, seven hundred eighteen million, forty-nine", and thus it is an aban number.