563452166445209 has 2 divisors, whose sum is σ = 563452166445210. Its totient is φ = 563452166445208.

The previous prime is 563452166445143. The next prime is 563452166445253. The reversal of 563452166445209 is 902544661254365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527497787982400 + 35954378462809 = 22967320^2 + 5996197^2 .

It is a cyclic number.

It is not a de Polignac number, because 563452166445209 - 2²⁸ = 563451898009753 is a prime.

It is not a weakly prime, because it can be changed into another prime (563452166345209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281726083222604 + 281726083222605.

It is an arithmetic number, because the mean of its divisors is an integer number (281726083222605).

Almost surely, 2^{563452166445209} is an apocalyptic number.

It is an amenable number.

563452166445209 is a deficient number, since it is larger than the sum of its proper divisors (1).

563452166445209 is an equidigital number, since it uses as much as digits as its factorization.

563452166445209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624000, while the sum is 62.

The spelling of 563452166445209 in words is "five hundred sixty-three trillion, four hundred fifty-two billion, one hundred sixty-six million, four hundred forty-five thousand, two hundred nine".