563809836 has 12 divisors (see below), whose sum is σ = 1315556312. Its totient is φ = 187936608.

The previous prime is 563809823. The next prime is 563809853. The reversal of 563809836 is 638908365.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23492065 + ... + 23492088.

Almost surely, 2^563809836 is an apocalyptic number.

It is an amenable number.

563809836 is an abundant number, since it is smaller than the sum of its proper divisors (751746476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563809836 is a wasteful number, since it uses less digits than its factorization.

563809836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46984160 (or 46984158 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 563809836 is about 23744.6801620910. The cubic root of 563809836 is about 826.1220537745.

The spelling of 563809836 in words is "five hundred sixty-three million, eight hundred nine thousand, eight hundred thirty-six".