489589829 has 2 divisors, whose sum is σ = 489589830. Its totient is φ = 489589828.

The previous prime is 489589823. The next prime is 489589871. The reversal of 489589829 is 928985984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278556100 + 211033729 = 16690^2 + 14527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489589829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489589823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244794914 + 244794915.

It is an arithmetic number, because the mean of its divisors is an integer number (244794915).

Almost surely, 2^489589829 is an apocalyptic number.

It is an amenable number.

489589829 is a deficient number, since it is larger than the sum of its proper divisors (1).

489589829 is an equidigital number, since it uses as much as digits as its factorization.

489589829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 62.

The square root of 489589829 is about 22126.6768630086. The cubic root of 489589829 is about 788.1534767022.

The spelling of 489589829 in words is "four hundred eighty-nine million, five hundred eighty-nine thousand, eight hundred twenty-nine".