520259930473 has 2 divisors, whose sum is σ = 520259930474. Its totient is φ = 520259930472.

The previous prime is 520259930327. The next prime is 520259930549. The reversal of 520259930473 is 374039952025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420152868864 + 100107061609 = 648192^2 + 316397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520259930473 is a prime.

It is not a weakly prime, because it can be changed into another prime (520259930573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260129965236 + 260129965237.

It is an arithmetic number, because the mean of its divisors is an integer number (260129965237).

Almost surely, 2^520259930473 is an apocalyptic number.

It is an amenable number.

520259930473 is a deficient number, since it is larger than the sum of its proper divisors (1).

520259930473 is an equidigital number, since it uses as much as digits as its factorization.

520259930473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 520259930473 in words is "five hundred twenty billion, two hundred fifty-nine million, nine hundred thirty thousand, four hundred seventy-three".