273143375849 has 2 divisors, whose sum is σ = 273143375850. Its totient is φ = 273143375848.

The previous prime is 273143375821. The next prime is 273143375867. The reversal of 273143375849 is 948573341372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255295751824 + 17847624025 = 505268^2 + 133595^2 .

It is a cyclic number.

It is not a de Polignac number, because 273143375849 - 2²⁰ = 273142327273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273143375794 and 273143375803.

It is not a weakly prime, because it can be changed into another prime (273143375819) 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, 136571687924 + 136571687925.

It is an arithmetic number, because the mean of its divisors is an integer number (136571687925).

Almost surely, 2^273143375849 is an apocalyptic number.

It is an amenable number.

273143375849 is a deficient number, since it is larger than the sum of its proper divisors (1).

273143375849 is an equidigital number, since it uses as much as digits as its factorization.

273143375849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 56.

The spelling of 273143375849 in words is "two hundred seventy-three billion, one hundred forty-three million, three hundred seventy-five thousand, eight hundred forty-nine".