517853342339 has 8 divisors (see below), whose sum is σ = 520196920320. Its totient is φ = 515510311176.

The previous prime is 517853342317. The next prime is 517853342381. The reversal of 517853342339 is 933243358715.

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 a de Polignac number, because none of the positive numbers 2^k-517853342339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517853342309) 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, 1825142 + ... + 2089700.

It is an arithmetic number, because the mean of its divisors is an integer number (65024615040).

Almost surely, 2^517853342339 is an apocalyptic number.

517853342339 is a deficient number, since it is larger than the sum of its proper divisors (2343577981).

517853342339 is a wasteful number, since it uses less digits than its factorization.

517853342339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273409.

The product of its digits is 8164800, while the sum is 53.

The spelling of 517853342339 in words is "five hundred seventeen billion, eight hundred fifty-three million, three hundred forty-two thousand, three hundred thirty-nine".