489727543 has 2 divisors, whose sum is σ = 489727544. Its totient is φ = 489727542.

The previous prime is 489727529. The next prime is 489727549. The reversal of 489727543 is 345727984.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489727543 - 2²¹ = 487630391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489727549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244863771 + 244863772.

It is an arithmetic number, because the mean of its divisors is an integer number (244863772).

Almost surely, 2^489727543 is an apocalyptic number.

489727543 is a deficient number, since it is larger than the sum of its proper divisors (1).

489727543 is an equidigital number, since it uses as much as digits as its factorization.

489727543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 489727543 is about 22129.7885891393. The cubic root of 489727543 is about 788.2273682104.

The spelling of 489727543 in words is "four hundred eighty-nine million, seven hundred twenty-seven thousand, five hundred forty-three".