2773655449 has 2 divisors, whose sum is σ = 2773655450. Its totient is φ = 2773655448.

The previous prime is 2773655441. The next prime is 2773655459. The reversal of 2773655449 is 9445563772.

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., 2580640000 + 193015449 = 50800^2 + 13893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773655449 - 2³ = 2773655441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2773655396 and 2773655405.

It is not a weakly prime, because it can be changed into another prime (2773655441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386827724 + 1386827725.

It is an arithmetic number, because the mean of its divisors is an integer number (1386827725).

Almost surely, 2^2773655449 is an apocalyptic number.

It is an amenable number.

2773655449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773655449 is an equidigital number, since it uses as much as digits as its factorization.

2773655449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 52.

The square root of 2773655449 is about 52665.5053047058. The cubic root of 2773655449 is about 1405.0253832118.

The spelling of 2773655449 in words is "two billion, seven hundred seventy-three million, six hundred fifty-five thousand, four hundred forty-nine".