564664339 has 2 divisors, whose sum is σ = 564664340. Its totient is φ = 564664338.

The previous prime is 564664301. The next prime is 564664357. The reversal of 564664339 is 933466465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564664339 - 2¹⁷ = 564533267 is a prime.

It is not a weakly prime, because it can be changed into another prime (564664369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282332169 + 282332170.

It is an arithmetic number, because the mean of its divisors is an integer number (282332170).

Almost surely, 2^564664339 is an apocalyptic number.

564664339 is a deficient number, since it is larger than the sum of its proper divisors (1).

564664339 is an equidigital number, since it uses as much as digits as its factorization.

564664339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 46.

The square root of 564664339 is about 23762.6669168256. Note that the first 3 decimals coincide. The cubic root of 564664339 is about 826.5391964578.

The spelling of 564664339 in words is "five hundred sixty-four million, six hundred sixty-four thousand, three hundred thirty-nine".