2773214209 has 2 divisors, whose sum is σ = 2773214210. Its totient is φ = 2773214208.

The previous prime is 2773214071. The next prime is 2773214251. The reversal of 2773214209 is 9024123772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2634563584 + 138650625 = 51328^2 + 11775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773214209 - 2¹⁵ = 2773181441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2773214909) 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, 1386607104 + 1386607105.

It is an arithmetic number, because the mean of its divisors is an integer number (1386607105).

Almost surely, 2^2773214209 is an apocalyptic number.

It is an amenable number.

2773214209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773214209 is an equidigital number, since it uses as much as digits as its factorization.

2773214209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2773214209 is about 52661.3160583744. The cubic root of 2773214209 is about 1404.9508742844.

The spelling of 2773214209 in words is "two billion, seven hundred seventy-three million, two hundred fourteen thousand, two hundred nine".