520794846791 has 2 divisors, whose sum is σ = 520794846792. Its totient is φ = 520794846790.

The previous prime is 520794846773. The next prime is 520794846827. The reversal of 520794846791 is 197648497025.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520794846791 is a prime.

It is a super-2 number, since 2×520794846791² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520794846701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260397423395 + 260397423396.

It is an arithmetic number, because the mean of its divisors is an integer number (260397423396).

Almost surely, 2^520794846791 is an apocalyptic number.

520794846791 is a deficient number, since it is larger than the sum of its proper divisors (1).

520794846791 is an equidigital number, since it uses as much as digits as its factorization.

520794846791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 520794846791 in words is "five hundred twenty billion, seven hundred ninety-four million, eight hundred forty-six thousand, seven hundred ninety-one".