565485785406463 has 2 divisors, whose sum is σ = 565485785406464. Its totient is φ = 565485785406462.

The previous prime is 565485785406449. The next prime is 565485785406499. The reversal of 565485785406463 is 364604587584565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565485785406463 - 2⁵ = 565485785406431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 565485785406463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565485785406433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282742892703231 + 282742892703232.

It is an arithmetic number, because the mean of its divisors is an integer number (282742892703232).

Almost surely, 2^{565485785406463} is an apocalyptic number.

565485785406463 is a deficient number, since it is larger than the sum of its proper divisors (1).

565485785406463 is an equidigital number, since it uses as much as digits as its factorization.

565485785406463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160000, while the sum is 76.

The spelling of 565485785406463 in words is "five hundred sixty-five trillion, four hundred eighty-five billion, seven hundred eighty-five million, four hundred six thousand, four hundred sixty-three".