520610604779 has 2 divisors, whose sum is σ = 520610604780. Its totient is φ = 520610604778.

The previous prime is 520610604739. The next prime is 520610604923. The reversal of 520610604779 is 977406016025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520610604779 - 2²⁸ = 520342169323 is a prime.

It is a super-2 number, since 2×520610604779² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (520610604739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260305302389 + 260305302390.

It is an arithmetic number, because the mean of its divisors is an integer number (260305302390).

Almost surely, 2^520610604779 is an apocalyptic number.

520610604779 is a deficient number, since it is larger than the sum of its proper divisors (1).

520610604779 is an equidigital number, since it uses as much as digits as its factorization.

520610604779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 520610604779 in words is "five hundred twenty billion, six hundred ten million, six hundred four thousand, seven hundred seventy-nine".