2772841909 has 2 divisors, whose sum is σ = 2772841910. Its totient is φ = 2772841908.

The previous prime is 2772841891. The next prime is 2772841937. The reversal of 2772841909 is 9091482772.

2772841909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2026350225 + 746491684 = 45015^2 + 27322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772841909 - 2⁹ = 2772841397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772841949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386420954 + 1386420955.

It is an arithmetic number, because the mean of its divisors is an integer number (1386420955).

Almost surely, 2^2772841909 is an apocalyptic number.

It is an amenable number.

2772841909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772841909 is an equidigital number, since it uses as much as digits as its factorization.

2772841909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 2772841909 is about 52657.7810869391. The cubic root of 2772841909 is about 1404.8880005959. Note that the first 3 decimals are identical.

The spelling of 2772841909 in words is "two billion, seven hundred seventy-two million, eight hundred forty-one thousand, nine hundred nine".