273683197849 has 2 divisors, whose sum is σ = 273683197850. Its totient is φ = 273683197848.

The previous prime is 273683197819. The next prime is 273683197867. The reversal of 273683197849 is 948791386372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220836084624 + 52847113225 = 469932^2 + 229885^2 .

It is a cyclic number.

It is not a de Polignac number, because 273683197849 - 2⁷ = 273683197721 is a prime.

It is not a weakly prime, because it can be changed into another prime (273683197819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136841598924 + 136841598925.

It is an arithmetic number, because the mean of its divisors is an integer number (136841598925).

Almost surely, 2^273683197849 is an apocalyptic number.

It is an amenable number.

273683197849 is a deficient number, since it is larger than the sum of its proper divisors (1).

273683197849 is an equidigital number, since it uses as much as digits as its factorization.

273683197849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 67.

The spelling of 273683197849 in words is "two hundred seventy-three billion, six hundred eighty-three million, one hundred ninety-seven thousand, eight hundred forty-nine".