564743870417717 has 2 divisors, whose sum is σ = 564743870417718. Its totient is φ = 564743870417716.

The previous prime is 564743870417711. The next prime is 564743870417719. The reversal of 564743870417717 is 717714078347465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562109046727921 + 2634823689796 = 23708839^2 + 1623214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564743870417717 is a prime.

Together with 564743870417719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564743870417711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282371935208858 + 282371935208859.

It is an arithmetic number, because the mean of its divisors is an integer number (282371935208859).

Almost surely, 2^{564743870417717} is an apocalyptic number.

It is an amenable number.

564743870417717 is a deficient number, since it is larger than the sum of its proper divisors (1).

564743870417717 is an equidigital number, since it uses as much as digits as its factorization.

564743870417717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774466560, while the sum is 71.

The spelling of 564743870417717 in words is "five hundred sixty-four trillion, seven hundred forty-three billion, eight hundred seventy million, four hundred seventeen thousand, seven hundred seventeen".