564743545347209 has 2 divisors, whose sum is σ = 564743545347210. Its totient is φ = 564743545347208.

The previous prime is 564743545347203. The next prime is 564743545347269. The reversal of 564743545347209 is 902743545347465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348373713811984 + 216369831535225 = 18664772^2 + 14709515^2 .

It is a cyclic number.

It is not a de Polignac number, because 564743545347209 - 2¹⁶ = 564743545281673 is a prime.

It is a super-2 number, since 2×564743545347209² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (564743545347203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282371772673604 + 282371772673605.

It is an arithmetic number, because the mean of its divisors is an integer number (282371772673605).

Almost surely, 2^{564743545347209} is an apocalyptic number.

It is an amenable number.

564743545347209 is a deficient number, since it is larger than the sum of its proper divisors (1).

564743545347209 is an equidigital number, since it uses as much as digits as its factorization.

564743545347209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096000, while the sum is 68.

The spelling of 564743545347209 in words is "five hundred sixty-four trillion, seven hundred forty-three billion, five hundred forty-five million, three hundred forty-seven thousand, two hundred nine".