566346646423 has 2 divisors, whose sum is σ = 566346646424. Its totient is φ = 566346646422.

The previous prime is 566346646361. The next prime is 566346646507. The reversal of 566346646423 is 324646643665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566346646423 - 2²¹ = 566344549271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566356646423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283173323211 + 283173323212.

It is an arithmetic number, because the mean of its divisors is an integer number (283173323212).

Almost surely, 2^566346646423 is an apocalyptic number.

566346646423 is a deficient number, since it is larger than the sum of its proper divisors (1).

566346646423 is an equidigital number, since it uses as much as digits as its factorization.

566346646423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 55.

The spelling of 566346646423 in words is "five hundred sixty-six billion, three hundred forty-six million, six hundred forty-six thousand, four hundred twenty-three".