520740477546263 has 16 divisors (see below), whose sum is σ = 594920867206176. Its totient is φ = 451542991703040.

The previous prime is 520740477546241. The next prime is 520740477546293. The reversal of 520740477546263 is 362645774047025.

It is not a de Polignac number, because 520740477546263 - 2⁴⁸ = 239265500835607 is a prime.

It is a super-2 number, since 2×520740477546263² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520740477546196 and 520740477546205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520740477546293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252553398 + ... + 2252784563.

It is an arithmetic number, because the mean of its divisors is an integer number (37182554200386).

Almost surely, 2^{520740477546263} is an apocalyptic number.

520740477546263 is a deficient number, since it is larger than the sum of its proper divisors (74180389659913).

520740477546263 is a wasteful number, since it uses less digits than its factorization.

520740477546263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505338514.

The product of its (nonzero) digits is 237081600, while the sum is 62.

The spelling of 520740477546263 in words is "five hundred twenty trillion, seven hundred forty billion, four hundred seventy-seven million, five hundred forty-six thousand, two hundred sixty-three".