489144429 has 12 divisors (see below), whose sum is σ = 706782076. Its totient is φ = 325985472.

The previous prime is 489144407. The next prime is 489144433. The reversal of 489144429 is 924441984.

489144429 is a `hidden beast` number, since 4 + 89 + 144 + 429 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94128804 + 395015625 = 9702^2 + 19875^2 .

It is not a de Polignac number, because 489144429 - 2⁷ = 489144301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489142429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25659 + ... + 40455.

Almost surely, 2^489144429 is an apocalyptic number.

It is an amenable number.

489144429 is a deficient number, since it is larger than the sum of its proper divisors (217637647).

489144429 is a wasteful number, since it uses less digits than its factorization.

489144429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18476 (or 18473 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 489144429 is about 22116.6097989724. The cubic root of 489144429 is about 787.9143989787.

The spelling of 489144429 in words is "four hundred eighty-nine million, one hundred forty-four thousand, four hundred twenty-nine".