489344243 has 2 divisors, whose sum is σ = 489344244. Its totient is φ = 489344242.

The previous prime is 489344239. The next prime is 489344267. The reversal of 489344243 is 342443984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489344243 - 2² = 489344239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489344243.

It is not a weakly prime, because it can be changed into another prime (489364243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244672121 + 244672122.

It is an arithmetic number, because the mean of its divisors is an integer number (244672122).

Almost surely, 2^489344243 is an apocalyptic number.

489344243 is a deficient number, since it is larger than the sum of its proper divisors (1).

489344243 is an equidigital number, since it uses as much as digits as its factorization.

489344243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 41.

The square root of 489344243 is about 22121.1266213997. The cubic root of 489344243 is about 788.0216712456.

The spelling of 489344243 in words is "four hundred eighty-nine million, three hundred forty-four thousand, two hundred forty-three".