489727529 has 2 divisors, whose sum is σ = 489727530. Its totient is φ = 489727528.

The previous prime is 489727519. The next prime is 489727543. The reversal of 489727529 is 925727984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460188304 + 29539225 = 21452^2 + 5435^2 .

It is a cyclic number.

It is not a de Polignac number, because 489727529 - 2¹⁶ = 489661993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489727519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244863764 + 244863765.

It is an arithmetic number, because the mean of its divisors is an integer number (244863765).

Almost surely, 2^489727529 is an apocalyptic number.

It is an amenable number.

489727529 is a deficient number, since it is larger than the sum of its proper divisors (1).

489727529 is an equidigital number, since it uses as much as digits as its factorization.

489727529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 489727529 is about 22129.7882728236. The cubic root of 489727529 is about 788.2273606993.

The spelling of 489727529 in words is "four hundred eighty-nine million, seven hundred twenty-seven thousand, five hundred twenty-nine".