520741239959 has 2 divisors, whose sum is σ = 520741239960. Its totient is φ = 520741239958.

The previous prime is 520741239943. The next prime is 520741240001. The reversal of 520741239959 is 959932147025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520741239959 - 2⁴ = 520741239943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520741239919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260370619979 + 260370619980.

It is an arithmetic number, because the mean of its divisors is an integer number (260370619980).

Almost surely, 2^520741239959 is an apocalyptic number.

520741239959 is a deficient number, since it is larger than the sum of its proper divisors (1).

520741239959 is an equidigital number, since it uses as much as digits as its factorization.

520741239959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 520741239959 in words is "five hundred twenty billion, seven hundred forty-one million, two hundred thirty-nine thousand, nine hundred fifty-nine".