273274649 has 2 divisors, whose sum is σ = 273274650. Its totient is φ = 273274648.

The previous prime is 273274633. The next prime is 273274691. The reversal of 273274649 is 946472372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180499225 + 92775424 = 13435^2 + 9632^2 .

It is a cyclic number.

It is not a de Polignac number, because 273274649 - 2⁴ = 273274633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273274699) 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, 136637324 + 136637325.

It is an arithmetic number, because the mean of its divisors is an integer number (136637325).

Almost surely, 2^273274649 is an apocalyptic number.

It is an amenable number.

273274649 is a deficient number, since it is larger than the sum of its proper divisors (1).

273274649 is an equidigital number, since it uses as much as digits as its factorization.

273274649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 273274649 is about 16531.0208093753. The cubic root of 273274649 is about 648.9328833738.

The spelling of 273274649 in words is "two hundred seventy-three million, two hundred seventy-four thousand, six hundred forty-nine".