566452673909 has 2 divisors, whose sum is σ = 566452673910. Its totient is φ = 566452673908.

The previous prime is 566452673851. The next prime is 566452673923. The reversal of 566452673909 is 909376254665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560619075025 + 5833598884 = 748745^2 + 76378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566452673909 is a prime.

It is a super-3 number, since 3×566452673909³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566452673929) 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, 283226336954 + 283226336955.

It is an arithmetic number, because the mean of its divisors is an integer number (283226336955).

Almost surely, 2^566452673909 is an apocalyptic number.

It is an amenable number.

566452673909 is a deficient number, since it is larger than the sum of its proper divisors (1).

566452673909 is an equidigital number, since it uses as much as digits as its factorization.

566452673909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73483200, while the sum is 62.

The spelling of 566452673909 in words is "five hundred sixty-six billion, four hundred fifty-two million, six hundred seventy-three thousand, nine hundred nine".