489008009 has 16 divisors (see below), whose sum is σ = 600582528. Its totient is φ = 388599552.

The previous prime is 489007993. The next prime is 489008059. The reversal of 489008009 is 900800984.

489008009 = 445² + 446² + ... + 1158².

It is a cyclic number.

It is not a de Polignac number, because 489008009 - 2⁴ = 489007993 is a prime.

It is a super-2 number, since 2×489008009² = 478257665732288162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489008059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22694 + ... + 38639.

It is an arithmetic number, because the mean of its divisors is an integer number (37536408).

Almost surely, 2^489008009 is an apocalyptic number.

It is an amenable number.

489008009 is a deficient number, since it is larger than the sum of its proper divisors (111574519).

489008009 is a wasteful number, since it uses less digits than its factorization.

489008009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61424.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 489008009 is about 22113.5254765042. The cubic root of 489008009 is about 787.8411436714.

The spelling of 489008009 in words is "four hundred eighty-nine million, eight thousand, nine".