563641393 has 4 divisors (see below), whose sum is σ = 644161600. Its totient is φ = 483121188.

The previous prime is 563641363. The next prime is 563641399. The reversal of 563641393 is 393146365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563641393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563641399) by changing a digit.

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, 40260093 + ... + 40260106.

It is an arithmetic number, because the mean of its divisors is an integer number (161040400).

Almost surely, 2^563641393 is an apocalyptic number.

It is an amenable number.

563641393 is a deficient number, since it is larger than the sum of its proper divisors (80520207).

563641393 is an equidigital number, since it uses as much as digits as its factorization.

563641393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80520206.

The product of its digits is 174960, while the sum is 40.

The square root of 563641393 is about 23741.1329342136. The cubic root of 563641393 is about 826.0397752423.

The spelling of 563641393 in words is "five hundred sixty-three million, six hundred forty-one thousand, three hundred ninety-three".