520977560613 has 8 divisors (see below), whose sum is σ = 694676791488. Its totient is φ = 347298351744.

The previous prime is 520977560573. The next prime is 520977560641. The reversal of 520977560613 is 316065779025.

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

It is not a de Polignac number, because 520977560613 - 2⁶ = 520977560549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520977560413) 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, 4944681 + ... + 5048942.

It is an arithmetic number, because the mean of its divisors is an integer number (86834598936).

Almost surely, 2^520977560613 is an apocalyptic number.

It is an amenable number.

520977560613 is a deficient number, since it is larger than the sum of its proper divisors (173699230875).

520977560613 is a wasteful number, since it uses less digits than its factorization.

520977560613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011003.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 520977560613 in words is "five hundred twenty billion, nine hundred seventy-seven million, five hundred sixty thousand, six hundred thirteen".