563607644 has 12 divisors (see below), whose sum is σ = 1007299104. Its totient is φ = 275807904.

The previous prime is 563607637. The next prime is 563607673. The reversal of 563607644 is 446706365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498769 + ... + 1499144.

It is an arithmetic number, because the mean of its divisors is an integer number (83941592).

Almost surely, 2^563607644 is an apocalyptic number.

It is an amenable number.

563607644 is a deficient number, since it is larger than the sum of its proper divisors (443691460).

563607644 is a wasteful number, since it uses less digits than its factorization.

563607644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997964 (or 2997962 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 563607644 is about 23740.4221529441. The cubic root of 563607644 is about 826.0232880614.

The spelling of 563607644 in words is "five hundred sixty-three million, six hundred seven thousand, six hundred forty-four".