517504074845 has 8 divisors (see below), whose sum is σ = 625894692864. Its totient is φ = 410743391184.

The previous prime is 517504074809. The next prime is 517504074853. The reversal of 517504074845 is 548470405715.

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 517504074845 - 2⁶ = 517504074781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 517504074793 and 517504074802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407482889 + ... + 407484158.

It is an arithmetic number, because the mean of its divisors is an integer number (78236836608).

Almost surely, 2^517504074845 is an apocalyptic number.

It is an amenable number.

517504074845 is a deficient number, since it is larger than the sum of its proper divisors (108390618019).

517504074845 is a wasteful number, since it uses less digits than its factorization.

517504074845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814967179.

The product of its (nonzero) digits is 3136000, while the sum is 50.

The spelling of 517504074845 in words is "five hundred seventeen billion, five hundred four million, seventy-four thousand, eight hundred forty-five".