565844862106873 has 2 divisors, whose sum is σ = 565844862106874. Its totient is φ = 565844862106872.

The previous prime is 565844862106813. The next prime is 565844862106877. The reversal of 565844862106873 is 378601268448565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511001758201104 + 54843103905769 = 22605348^2 + 7405613^2 .

It is a cyclic number.

It is not a de Polignac number, because 565844862106873 - 2³⁷ = 565707423153401 is a prime.

It is a super-2 number, since 2×565844862106873² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 565844862106796 and 565844862106805.

It is not a weakly prime, because it can be changed into another prime (565844862106877) 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, 282922431053436 + 282922431053437.

It is an arithmetic number, because the mean of its divisors is an integer number (282922431053437).

Almost surely, 2^{565844862106873} is an apocalyptic number.

It is an amenable number.

565844862106873 is a deficient number, since it is larger than the sum of its proper divisors (1).

565844862106873 is an equidigital number, since it uses as much as digits as its factorization.

565844862106873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1857945600, while the sum is 73.

The spelling of 565844862106873 in words is "five hundred sixty-five trillion, eight hundred forty-four billion, eight hundred sixty-two million, one hundred six thousand, eight hundred seventy-three".