530423444257081 has 2 divisors, whose sum is σ = 530423444257082. Its totient is φ = 530423444257080.

The previous prime is 530423444257061. The next prime is 530423444257093. The reversal of 530423444257081 is 180752444324035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530361739213056 + 61705044025 = 23029584^2 + 248405^2 .

It is a cyclic number.

It is not a de Polignac number, because 530423444257081 - 2⁹ = 530423444256569 is a prime.

It is a super-2 number, since 2×530423444257081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530423444257061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265211722128540 + 265211722128541.

It is an arithmetic number, because the mean of its divisors is an integer number (265211722128541).

Almost surely, 2^{530423444257081} is an apocalyptic number.

It is an amenable number.

530423444257081 is a deficient number, since it is larger than the sum of its proper divisors (1).

530423444257081 is an equidigital number, since it uses as much as digits as its factorization.

530423444257081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12902400, while the sum is 52.

The spelling of 530423444257081 in words is "five hundred thirty trillion, four hundred twenty-three billion, four hundred forty-four million, two hundred fifty-seven thousand, eighty-one".