489502489 has 16 divisors (see below), whose sum is σ = 576709888. Its totient is φ = 406700352.

The previous prime is 489502483. The next prime is 489502523. The reversal of 489502489 is 984205984.

It is a cyclic number.

It is not a de Polignac number, because 489502489 - 2⁵ = 489502457 is a prime.

It is a super-2 number, since 2×489502489² = 479225373474390242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489502483) 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, 68332 + ... + 75154.

It is an arithmetic number, because the mean of its divisors is an integer number (36044368).

Almost surely, 2^489502489 is an apocalyptic number.

It is an amenable number.

489502489 is a deficient number, since it is larger than the sum of its proper divisors (87207399).

489502489 is a wasteful number, since it uses less digits than its factorization.

489502489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 489502489 is about 22124.7031392514. The cubic root of 489502489 is about 788.1066065711.

The spelling of 489502489 in words is "four hundred eighty-nine million, five hundred two thousand, four hundred eighty-nine".