565288081871813 has 2 divisors, whose sum is σ = 565288081871814. Its totient is φ = 565288081871812.

The previous prime is 565288081871729. The next prime is 565288081871827. The reversal of 565288081871813 is 318178180882565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530284316577409 + 35003765294404 = 23027903^2 + 5916398^2 .

It is a cyclic number.

It is not a de Polignac number, because 565288081871813 - 2⁴² = 560890035360709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565288081871213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282644040935906 + 282644040935907.

It is an arithmetic number, because the mean of its divisors is an integer number (282644040935907).

Almost surely, 2^{565288081871813} is an apocalyptic number.

It is an amenable number.

565288081871813 is a deficient number, since it is larger than the sum of its proper divisors (1).

565288081871813 is an equidigital number, since it uses as much as digits as its factorization.

565288081871813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 206438400, while the sum is 71.

The spelling of 565288081871813 in words is "five hundred sixty-five trillion, two hundred eighty-eight billion, eighty-one million, eight hundred seventy-one thousand, eight hundred thirteen".