964809229 has 2 divisors, whose sum is σ = 964809230. Its totient is φ = 964809228.

The previous prime is 964809203. The next prime is 964809233. The reversal of 964809229 is 922908469.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 888159204 + 76650025 = 29802^2 + 8755^2 .

It is a cyclic number.

It is not a de Polignac number, because 964809229 - 2⁷ = 964809101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964809259) 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 as a sum of consecutive naturals, namely, 482404614 + 482404615.

It is an arithmetic number, because the mean of its divisors is an integer number (482404615).

Almost surely, 2^964809229 is an apocalyptic number.

It is an amenable number.

964809229 is a deficient number, since it is larger than the sum of its proper divisors (1).

964809229 is an equidigital number, since it uses as much as digits as its factorization.

964809229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 964809229 is about 31061.3784143589. The cubic root of 964809229 is about 988.1293891666.

The spelling of 964809229 in words is "nine hundred sixty-four million, eight hundred nine thousand, two hundred twenty-nine".