273428843 has 2 divisors, whose sum is σ = 273428844. Its totient is φ = 273428842.

The previous prime is 273428819. The next prime is 273428861. The reversal of 273428843 is 348824372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 273428843 - 2¹² = 273424747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273428843.

It is not a weakly prime, because it can be changed into another prime (273428863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136714421 + 136714422.

It is an arithmetic number, because the mean of its divisors is an integer number (136714422).

Almost surely, 2^273428843 is an apocalyptic number.

273428843 is a deficient number, since it is larger than the sum of its proper divisors (1).

273428843 is an equidigital number, since it uses as much as digits as its factorization.

273428843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 41.

The square root of 273428843 is about 16535.6839290064. The cubic root of 273428843 is about 649.0549129187.

The spelling of 273428843 in words is "two hundred seventy-three million, four hundred twenty-eight thousand, eight hundred forty-three".