566501563327943 has 2 divisors, whose sum is σ = 566501563327944. Its totient is φ = 566501563327942.

The previous prime is 566501563327937. The next prime is 566501563328009. The reversal of 566501563327943 is 349723365105665.

566501563327943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566501563327943 - 2⁴² = 562103516816839 is a prime.

It is a super-2 number, since 2×566501563327943² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 566501563327943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566501563327933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283250781663971 + 283250781663972.

It is an arithmetic number, because the mean of its divisors is an integer number (283250781663972).

Almost surely, 2^{566501563327943} is an apocalyptic number.

566501563327943 is a deficient number, since it is larger than the sum of its proper divisors (1).

566501563327943 is an equidigital number, since it uses as much as digits as its factorization.

566501563327943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416000, while the sum is 65.

The spelling of 566501563327943 in words is "five hundred sixty-six trillion, five hundred one billion, five hundred sixty-three million, three hundred twenty-seven thousand, nine hundred forty-three".