565065610997 has 4 divisors (see below), whose sum is σ = 569130831360. Its totient is φ = 561000390636.

The previous prime is 565065610973. The next prime is 565065611051. The reversal of 565065610997 is 799016560565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 565065610997 - 2⁶ = 565065610933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565065610297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032609973 + ... + 2032610250.

It is an arithmetic number, because the mean of its divisors is an integer number (142282707840).

Almost surely, 2^565065610997 is an apocalyptic number.

It is an amenable number.

565065610997 is a deficient number, since it is larger than the sum of its proper divisors (4065220363).

565065610997 is a wasteful number, since it uses less digits than its factorization.

565065610997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065220362.

The product of its (nonzero) digits is 15309000, while the sum is 59.

The spelling of 565065610997 in words is "five hundred sixty-five billion, sixty-five million, six hundred ten thousand, nine hundred ninety-seven".