517420724613 has 8 divisors (see below), whose sum is σ = 742963091808. Its totient is φ = 318412753584.

The previous prime is 517420724537. The next prime is 517420724659. The reversal of 517420724613 is 316427024715.

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

It is not a de Polignac number, because 517420724613 - 2²⁴ = 517403947397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517420724113) 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, 6633598995 + ... + 6633599072.

It is an arithmetic number, because the mean of its divisors is an integer number (92870386476).

Almost surely, 2^517420724613 is an apocalyptic number.

It is an amenable number.

517420724613 is a deficient number, since it is larger than the sum of its proper divisors (225542367195).

517420724613 is a wasteful number, since it uses less digits than its factorization.

517420724613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13267198083.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 517420724613 in words is "five hundred seventeen billion, four hundred twenty million, seven hundred twenty-four thousand, six hundred thirteen".