563561012645 has 4 divisors (see below), whose sum is σ = 676273215180. Its totient is φ = 450848810112.

The previous prime is 563561012611. The next prime is 563561012647. The reversal of 563561012645 is 546210165365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 331667720836 + 231893291809 = 575906^2 + 481553^2 .

It is a cyclic number.

It is not a de Polignac number, because 563561012645 - 2¹⁰ = 563561011621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563561012596 and 563561012605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563561012647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56356101260 + ... + 56356101269.

It is an arithmetic number, because the mean of its divisors is an integer number (169068303795).

Almost surely, 2^563561012645 is an apocalyptic number.

It is an amenable number.

563561012645 is a deficient number, since it is larger than the sum of its proper divisors (112712202535).

563561012645 is a wasteful number, since it uses less digits than its factorization.

563561012645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112712202534.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 563561012645 in words is "five hundred sixty-three billion, five hundred sixty-one million, twelve thousand, six hundred forty-five".