530666723478211 has 2 divisors, whose sum is σ = 530666723478212. Its totient is φ = 530666723478210.

The previous prime is 530666723478197. The next prime is 530666723478251. The reversal of 530666723478211 is 112874327666035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530666723478211 - 2³⁷ = 530529284524739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530666723478211.

It is not a weakly prime, because it can be changed into another prime (530666723478251) 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, 265333361739105 + 265333361739106.

It is an arithmetic number, because the mean of its divisors is an integer number (265333361739106).

Almost surely, 2^{530666723478211} is an apocalyptic number.

530666723478211 is a deficient number, since it is larger than the sum of its proper divisors (1).

530666723478211 is an equidigital number, since it uses as much as digits as its factorization.

530666723478211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 530666723478211 in words is "five hundred thirty trillion, six hundred sixty-six billion, seven hundred twenty-three million, four hundred seventy-eight thousand, two hundred eleven".