564544405609 has 2 divisors, whose sum is σ = 564544405610. Its totient is φ = 564544405608.

The previous prime is 564544405603. The next prime is 564544405637. The reversal of 564544405609 is 906504445465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550939516009 + 13604889600 = 742253^2 + 116640^2 .

It is a cyclic number.

It is not a de Polignac number, because 564544405609 - 2¹⁵ = 564544372841 is a prime.

It is a super-2 number, since 2×564544405609² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564544405603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282272202804 + 282272202805.

It is an arithmetic number, because the mean of its divisors is an integer number (282272202805).

Almost surely, 2^564544405609 is an apocalyptic number.

It is an amenable number.

564544405609 is a deficient number, since it is larger than the sum of its proper divisors (1).

564544405609 is an equidigital number, since it uses as much as digits as its factorization.

564544405609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 564544405609 in words is "five hundred sixty-four billion, five hundred forty-four million, four hundred five thousand, six hundred nine".