563320056465 has 64 divisors (see below), whose sum is σ = 1005276096000. Its totient is φ = 299294134272.

The previous prime is 563320056463. The next prime is 563320056473. The reversal of 563320056465 is 564650023365.

563320056465 is a `hidden beast` number, since 5 + 6 + 3 + 3 + 20 + 0 + 564 + 65 = 666.

It is not a de Polignac number, because 563320056465 - 2¹ = 563320056463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 563320056465.

It is not an unprimeable number, because it can be changed into a prime (563320056461) 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 63 ways as a sum of consecutive naturals, for example, 38979561 + ... + 38994009.

It is an arithmetic number, because the mean of its divisors is an integer number (15707439000).

Almost surely, 2^563320056465 is an apocalyptic number.

It is an amenable number.

563320056465 is a deficient number, since it is larger than the sum of its proper divisors (441956039535).

563320056465 is a wasteful number, since it uses less digits than its factorization.

563320056465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15543 (or 15537 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 563320056465 in words is "five hundred sixty-three billion, three hundred twenty million, fifty-six thousand, four hundred sixty-five".