563638383 has 48 divisors (see below), whose sum is σ = 1074767616. Its totient is φ = 275569920.

The previous prime is 563638343. The next prime is 563638393. The reversal of 563638383 is 383836365.

563638383 is a `hidden beast` number, since 5 + 6 + 3 + 638 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 563638383 - 2²⁸ = 295202927 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563638303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12141 + ... + 35702.

It is an arithmetic number, because the mean of its divisors is an integer number (22390992).

Almost surely, 2^563638383 is an apocalyptic number.

563638383 is a deficient number, since it is larger than the sum of its proper divisors (511129233).

563638383 is a wasteful number, since it uses less digits than its factorization.

563638383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47884 (or 47881 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 563638383 is about 23741.0695420404. The cubic root of 563638383 is about 826.0383048131.

It can be divided in two parts, 56363 and 8383, that added together give a palindrome (64746).

The spelling of 563638383 in words is "five hundred sixty-three million, six hundred thirty-eight thousand, three hundred eighty-three".