565239485661 has 8 divisors (see below), whose sum is σ = 754081109760. Its totient is φ = 376612092672.

The previous prime is 565239485659. The next prime is 565239485677. The reversal of 565239485661 is 166584932565.

565239485661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565239485661 - 2¹ = 565239485659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 565239485595 and 565239485604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565239485621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53551620 + ... + 53562173.

It is an arithmetic number, because the mean of its divisors is an integer number (94260138720).

Almost surely, 2^565239485661 is an apocalyptic number.

It is an amenable number.

565239485661 is a deficient number, since it is larger than the sum of its proper divisors (188841624099).

565239485661 is a wasteful number, since it uses less digits than its factorization.

565239485661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107115555.

The product of its digits is 46656000, while the sum is 60.

The spelling of 565239485661 in words is "five hundred sixty-five billion, two hundred thirty-nine million, four hundred eighty-five thousand, six hundred sixty-one".