520617063041473 has 4 divisors (see below), whose sum is σ = 533315040188868. Its totient is φ = 507919085894080.

The previous prime is 520617063041441. The next prime is 520617063041519. The reversal of 520617063041473 is 374140360716025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219536021295504 + 301081041745969 = 14816748^2 + 17351687^2 .

It is a cyclic number.

It is not a de Polignac number, because 520617063041473 - 2⁵ = 520617063041441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520617063041573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348988573636 + ... + 6348988573717.

It is an arithmetic number, because the mean of its divisors is an integer number (133328760047217).

Almost surely, 2^{520617063041473} is an apocalyptic number.

It is an amenable number.

520617063041473 is a deficient number, since it is larger than the sum of its proper divisors (12697977147395).

520617063041473 is a wasteful number, since it uses less digits than its factorization.

520617063041473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697977147394.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 520617063041473 in words is "five hundred twenty trillion, six hundred seventeen billion, sixty-three million, forty-one thousand, four hundred seventy-three".