2766255269 has 2 divisors, whose sum is σ = 2766255270. Its totient is φ = 2766255268.

The previous prime is 2766255257. The next prime is 2766255293. The reversal of 2766255269 is 9625526672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2365655044 + 400600225 = 48638^2 + 20015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2766255269 - 2⁴ = 2766255253 is a prime.

It is a super-2 number, since 2×2766255269² = 15304336426540524722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2766257269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383127634 + 1383127635.

It is an arithmetic number, because the mean of its divisors is an integer number (1383127635).

Almost surely, 2^2766255269 is an apocalyptic number.

It is an amenable number.

2766255269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2766255269 is an equidigital number, since it uses as much as digits as its factorization.

2766255269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The square root of 2766255269 is about 52595.2019579733. The cubic root of 2766255269 is about 1403.7747230227.

The spelling of 2766255269 in words is "two billion, seven hundred sixty-six million, two hundred fifty-five thousand, two hundred sixty-nine".