2773664329 has 2 divisors, whose sum is σ = 2773664330. Its totient is φ = 2773664328.

The previous prime is 2773664321. The next prime is 2773664339. The reversal of 2773664329 is 9234663772.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2345174329 + 428490000 = 48427^2 + 20700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773664329 - 2³ = 2773664321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2773664321) 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, 1386832164 + 1386832165.

It is an arithmetic number, because the mean of its divisors is an integer number (1386832165).

Almost surely, 2^2773664329 is an apocalyptic number.

It is an amenable number.

2773664329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773664329 is an equidigital number, since it uses as much as digits as its factorization.

2773664329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 49.

The square root of 2773664329 is about 52665.5896102949. The cubic root of 2773664329 is about 1405.0268826305.

The spelling of 2773664329 in words is "two billion, seven hundred seventy-three million, six hundred sixty-four thousand, three hundred twenty-nine".