563865763 has 4 divisors (see below), whose sum is σ = 583309440. Its totient is φ = 544422088.

The previous prime is 563865713. The next prime is 563865791. The reversal of 563865763 is 367568365.

563865763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563865763 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563865713) 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, 9721795 + ... + 9721852.

It is an arithmetic number, because the mean of its divisors is an integer number (145827360).

Almost surely, 2^563865763 is an apocalyptic number.

563865763 is a deficient number, since it is larger than the sum of its proper divisors (19443677).

563865763 is a wasteful number, since it uses less digits than its factorization.

563865763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19443676.

The product of its digits is 2721600, while the sum is 49.

The square root of 563865763 is about 23745.8578072050. The cubic root of 563865763 is about 826.1493685401.

The spelling of 563865763 in words is "five hundred sixty-three million, eight hundred sixty-five thousand, seven hundred sixty-three".