566564316349 has 2 divisors, whose sum is σ = 566564316350. Its totient is φ = 566564316348.

The previous prime is 566564316251. The next prime is 566564316371. The reversal of 566564316349 is 943613465665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506388792100 + 60175524249 = 711610^2 + 245307^2 .

It is a cyclic number.

It is not a de Polignac number, because 566564316349 - 2¹¹ = 566564314301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 566564316293 and 566564316302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566564316389) 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, 283282158174 + 283282158175.

It is an arithmetic number, because the mean of its divisors is an integer number (283282158175).

Almost surely, 2^566564316349 is an apocalyptic number.

It is an amenable number.

566564316349 is a deficient number, since it is larger than the sum of its proper divisors (1).

566564316349 is an equidigital number, since it uses as much as digits as its factorization.

566564316349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41990400, while the sum is 58.

The spelling of 566564316349 in words is "five hundred sixty-six billion, five hundred sixty-four million, three hundred sixteen thousand, three hundred forty-nine".