520893616319 has 8 divisors (see below), whose sum is σ = 521773766160. Its totient is φ = 520013583936.

The previous prime is 520893616301. The next prime is 520893616361. The reversal of 520893616319 is 913616398025.

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-520893616319 is a prime.

It is a super-2 number, since 2×520893616319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520893616219) 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, 17837072 + ... + 17866250.

It is an arithmetic number, because the mean of its divisors is an integer number (65221720770).

Almost surely, 2^520893616319 is an apocalyptic number.

520893616319 is a deficient number, since it is larger than the sum of its proper divisors (880149841).

520893616319 is a wasteful number, since it uses less digits than its factorization.

520893616319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58729.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 520893616319 in words is "five hundred twenty billion, eight hundred ninety-three million, six hundred sixteen thousand, three hundred nineteen".