520873193763 has 16 divisors (see below), whose sum is σ = 831022759840. Its totient is φ = 320537349792.

The previous prime is 520873193749. The next prime is 520873193801. The reversal of 520873193763 is 367391378025.

520873193763 is a `hidden beast` number, since 520 + 8 + 73 + 19 + 37 + 6 + 3 = 666.

It is not a de Polignac number, because 520873193763 - 2⁸ = 520873193507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520873193663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741984256 + ... + 741984957.

It is an arithmetic number, because the mean of its divisors is an integer number (51938922490).

Almost surely, 2^520873193763 is an apocalyptic number.

520873193763 is a deficient number, since it is larger than the sum of its proper divisors (310149566077).

520873193763 is a wasteful number, since it uses less digits than its factorization.

520873193763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483969235 (or 1483969229 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 520873193763 in words is "five hundred twenty billion, eight hundred seventy-three million, one hundred ninety-three thousand, seven hundred sixty-three".