489782429 has 2 divisors, whose sum is σ = 489782430. Its totient is φ = 489782428.

The previous prime is 489782417. The next prime is 489782459. The reversal of 489782429 is 924287984.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315595225 + 174187204 = 17765^2 + 13198^2 .

It is a cyclic number.

It is not a de Polignac number, because 489782429 - 2⁸ = 489782173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489782459) 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, 244891214 + 244891215.

It is an arithmetic number, because the mean of its divisors is an integer number (244891215).

Almost surely, 2^489782429 is an apocalyptic number.

It is an amenable number.

489782429 is a deficient number, since it is larger than the sum of its proper divisors (1).

489782429 is an equidigital number, since it uses as much as digits as its factorization.

489782429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The square root of 489782429 is about 22131.0286475798. The cubic root of 489782429 is about 788.2568138562.

The spelling of 489782429 in words is "four hundred eighty-nine million, seven hundred eighty-two thousand, four hundred twenty-nine".