520807093641 has 6 divisors (see below), whose sum is σ = 752276913050. Its totient is φ = 347204729088.

The previous prime is 520807093603. The next prime is 520807093643. The reversal of 520807093641 is 146390708025.

520807093641 is a `hidden beast` number, since 520 + 80 + 7 + 0 + 9 + 3 + 6 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 448392283641 + 72414810000 = 669621^2 + 269100^2 .

It is a de Polignac number, because none of the positive numbers 2^k-520807093641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520807093643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28933727416 + ... + 28933727433.

It is a 1-persistent number, because it is pandigital, but 2⋅520807093641 = 1041614187282 is not.

Almost surely, 2^520807093641 is an apocalyptic number.

It is an amenable number.

520807093641 is a deficient number, since it is larger than the sum of its proper divisors (231469819409).

520807093641 is a wasteful number, since it uses less digits than its factorization.

520807093641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57867454855 (or 57867454852 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 520807093641 in words is "five hundred twenty billion, eight hundred seven million, ninety-three thousand, six hundred forty-one".