566604443042437 has 2 divisors, whose sum is σ = 566604443042438. Its totient is φ = 566604443042436.

The previous prime is 566604443042333. The next prime is 566604443042479. The reversal of 566604443042437 is 734240344406665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387637465397121 + 178966977645316 = 19688511^2 + 13377854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566604443042437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566604443042837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283302221521218 + 283302221521219.

It is an arithmetic number, because the mean of its divisors is an integer number (283302221521219).

Almost surely, 2^{566604443042437} is an apocalyptic number.

It is an amenable number.

566604443042437 is a deficient number, since it is larger than the sum of its proper divisors (1).

566604443042437 is an equidigital number, since it uses as much as digits as its factorization.

566604443042437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 58.

The spelling of 566604443042437 in words is "five hundred sixty-six trillion, six hundred four billion, four hundred forty-three million, forty-two thousand, four hundred thirty-seven".