809630329 has 2 divisors, whose sum is σ = 809630330. Its totient is φ = 809630328.

The previous prime is 809630257. The next prime is 809630333. The reversal of 809630329 is 923036908.

809630329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710329104 + 99301225 = 26652^2 + 9965^2 .

It is a cyclic number.

It is not a de Polignac number, because 809630329 - 2¹⁵ = 809597561 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 809630291 and 809630300.

It is not a weakly prime, because it can be changed into another prime (809630399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404815164 + 404815165.

It is an arithmetic number, because the mean of its divisors is an integer number (404815165).

Almost surely, 2^809630329 is an apocalyptic number.

It is an amenable number.

809630329 is a deficient number, since it is larger than the sum of its proper divisors (1).

809630329 is an equidigital number, since it uses as much as digits as its factorization.

809630329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 809630329 is about 28454.0037428830. The cubic root of 809630329 is about 932.0279211029.

The spelling of 809630329 in words is "eight hundred nine million, six hundred thirty thousand, three hundred twenty-nine".