273666413 has 2 divisors, whose sum is σ = 273666414. Its totient is φ = 273666412.

The previous prime is 273666353. The next prime is 273666439. The reversal of 273666413 is 314666372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245925124 + 27741289 = 15682^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 273666413 - 2⁸ = 273666157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273668413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136833206 + 136833207.

It is an arithmetic number, because the mean of its divisors is an integer number (136833207).

Almost surely, 2^273666413 is an apocalyptic number.

It is an amenable number.

273666413 is a deficient number, since it is larger than the sum of its proper divisors (1).

273666413 is an equidigital number, since it uses as much as digits as its factorization.

273666413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 273666413 is about 16542.8659246214. The cubic root of 273666413 is about 649.2428366914.

The spelling of 273666413 in words is "two hundred seventy-three million, six hundred sixty-six thousand, four hundred thirteen".