520344423152063 has 2 divisors, whose sum is σ = 520344423152064. Its totient is φ = 520344423152062.

The previous prime is 520344423151997. The next prime is 520344423152083. The reversal of 520344423152063 is 360251324443025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520344423152063 - 2²⁴ = 520344406374847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520344423152083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260172211576031 + 260172211576032.

It is an arithmetic number, because the mean of its divisors is an integer number (260172211576032).

Almost surely, 2^{520344423152063} is an apocalyptic number.

520344423152063 is a deficient number, since it is larger than the sum of its proper divisors (1).

520344423152063 is an equidigital number, since it uses as much as digits as its factorization.

520344423152063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 44.

Adding to 520344423152063 its reverse (360251324443025), we get a palindrome (880595747595088).

The spelling of 520344423152063 in words is "five hundred twenty trillion, three hundred forty-four billion, four hundred twenty-three million, one hundred fifty-two thousand, sixty-three".