2745771229 has 2 divisors, whose sum is σ = 2745771230. Its totient is φ = 2745771228.

The previous prime is 2745771199. The next prime is 2745771247. The reversal of 2745771229 is 9221775472.

2745771229 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., 2735499204 + 10272025 = 52302^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745771229 - 2²³ = 2737382621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745771289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372885614 + 1372885615.

It is an arithmetic number, because the mean of its divisors is an integer number (1372885615).

Almost surely, 2^2745771229 is an apocalyptic number.

It is an amenable number.

2745771229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745771229 is an equidigital number, since it uses as much as digits as its factorization.

2745771229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The square root of 2745771229 is about 52400.1071468370. The cubic root of 2745771229 is about 1400.3011646313.

It can be divided in two parts, 274 and 5771229, that added together give a triangular number (5771503 = T₃₃₉₇).

The spelling of 2745771229 in words is "two billion, seven hundred forty-five million, seven hundred seventy-one thousand, two hundred twenty-nine".