564043663 has 8 divisors (see below), whose sum is σ = 609930432. Its totient is φ = 519568896.

The previous prime is 564043661. The next prime is 564043673. The reversal of 564043663 is 366340465.

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

It is a cyclic number.

It is not a de Polignac number, because 564043663 - 2¹ = 564043661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564043661) 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, 352170 + ... + 353767.

It is an arithmetic number, because the mean of its divisors is an integer number (76241304).

Almost surely, 2^564043663 is an apocalyptic number.

564043663 is a deficient number, since it is larger than the sum of its proper divisors (45886769).

564043663 is a wasteful number, since it uses less digits than its factorization.

564043663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706001.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 564043663 is about 23749.6034282680. The cubic root of 564043663 is about 826.2362429514.

The spelling of 564043663 in words is "five hundred sixty-four million, forty-three thousand, six hundred sixty-three".