564464443 has 2 divisors, whose sum is σ = 564464444. Its totient is φ = 564464442.

The previous prime is 564464431. The next prime is 564464477. The reversal of 564464443 is 344464465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564464443 - 2²⁵ = 530910011 is a prime.

It is a super-2 number, since 2×564464443² = 637240214822600498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564464396 and 564464405.

It is not a weakly prime, because it can be changed into another prime (564464743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282232221 + 282232222.

It is an arithmetic number, because the mean of its divisors is an integer number (282232222).

Almost surely, 2^564464443 is an apocalyptic number.

564464443 is a deficient number, since it is larger than the sum of its proper divisors (1).

564464443 is an equidigital number, since it uses as much as digits as its factorization.

564464443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 40.

The square root of 564464443 is about 23758.4604509636. The cubic root of 564464443 is about 826.4416509673.

The spelling of 564464443 in words is "five hundred sixty-four million, four hundred sixty-four thousand, four hundred forty-three".