64563363 has 12 divisors (see below), whose sum is σ = 93346968. Its totient is φ = 43001280.

The previous prime is 64563329. The next prime is 64563377. The reversal of 64563363 is 36336546.

It is a happy number.

64563363 is a `hidden beast` number, since 64 + 563 + 36 + 3 = 666.

64563363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-64563363 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64563313) 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 11 ways as a sum of consecutive naturals, for example, 8908 + ... + 14438.

It is an arithmetic number, because the mean of its divisors is an integer number (7778914).

Almost surely, 2^64563363 is an apocalyptic number.

64563363 is a deficient number, since it is larger than the sum of its proper divisors (28783605).

64563363 is a wasteful number, since it uses less digits than its factorization.

64563363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834 (or 6831 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 64563363 is about 8035.1330418357. The cubic root of 64563363 is about 401.1702458893.

The spelling of 64563363 in words is "sixty-four million, five hundred sixty-three thousand, three hundred sixty-three".