273442349 has 2 divisors, whose sum is σ = 273442350. Its totient is φ = 273442348.

The previous prime is 273442327. The next prime is 273442361. The reversal of 273442349 is 943244372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201498025 + 71944324 = 14195^2 + 8482^2 .

It is a cyclic number.

It is not a de Polignac number, because 273442349 - 2²⁰ = 272393773 is a prime.

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 (273442849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136721174 + 136721175.

It is an arithmetic number, because the mean of its divisors is an integer number (136721175).

Almost surely, 2^273442349 is an apocalyptic number.

It is an amenable number.

273442349 is a deficient number, since it is larger than the sum of its proper divisors (1).

273442349 is an equidigital number, since it uses as much as digits as its factorization.

273442349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 38.

The square root of 273442349 is about 16536.0923134820. The cubic root of 273442349 is about 649.0655994179.

The spelling of 273442349 in words is "two hundred seventy-three million, four hundred forty-two thousand, three hundred forty-nine".