563644363 has 8 divisors (see below), whose sum is σ = 572023296. Its totient is φ = 555277800.

The previous prime is 563644357. The next prime is 563644369. The reversal of 563644363 is 363446365.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (563644357) and next prime (563644369).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563644363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563644369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130720 + ... + 134962.

It is an arithmetic number, because the mean of its divisors is an integer number (71502912).

Almost surely, 2^563644363 is an apocalyptic number.

563644363 is a deficient number, since it is larger than the sum of its proper divisors (8378933).

563644363 is a wasteful number, since it uses less digits than its factorization.

563644363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185.

The product of its digits is 466560, while the sum is 40.

The square root of 563644363 is about 23741.1954837999. The cubic root of 563644363 is about 826.0412261257.

The spelling of 563644363 in words is "five hundred sixty-three million, six hundred forty-four thousand, three hundred sixty-three".