273343849 has 2 divisors, whose sum is σ = 273343850. Its totient is φ = 273343848.

The previous prime is 273343787. The next prime is 273343859. The reversal of 273343849 is 948343372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151462249 + 121881600 = 12307^2 + 11040^2 .

It is a cyclic number.

It is not a de Polignac number, because 273343849 - 2¹⁵ = 273311081 is a prime.

It is a super-2 number, since 2×273343849² = 149433719572269602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (273343859) 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, 136671924 + 136671925.

It is an arithmetic number, because the mean of its divisors is an integer number (136671925).

Almost surely, 2^273343849 is an apocalyptic number.

It is an amenable number.

273343849 is a deficient number, since it is larger than the sum of its proper divisors (1).

273343849 is an equidigital number, since it uses as much as digits as its factorization.

273343849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 273343849 is about 16533.1137115790. The cubic root of 273343849 is about 648.9876541154.

The spelling of 273343849 in words is "two hundred seventy-three million, three hundred forty-three thousand, eight hundred forty-nine".