565461532266469 has 2 divisors, whose sum is σ = 565461532266470. Its totient is φ = 565461532266468.

The previous prime is 565461532266451. The next prime is 565461532266509. The reversal of 565461532266469 is 964662235164565.

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., 561617148562369 + 3844383704100 = 23698463^2 + 1960710^2 .

It is a cyclic number.

It is not a de Polignac number, because 565461532266469 - 2²¹ = 565461530169317 is a prime.

It is a super-2 number, since 2×565461532266469² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 565461532266398 and 565461532266407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565461532266569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282730766133234 + 282730766133235.

It is an arithmetic number, because the mean of its divisors is an integer number (282730766133235).

Almost surely, 2^{565461532266469} is an apocalyptic number.

It is an amenable number.

565461532266469 is a deficient number, since it is larger than the sum of its proper divisors (1).

565461532266469 is an equidigital number, since it uses as much as digits as its factorization.

565461532266469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616000, while the sum is 70.

The spelling of 565461532266469 in words is "five hundred sixty-five trillion, four hundred sixty-one billion, five hundred thirty-two million, two hundred sixty-six thousand, four hundred sixty-nine".