489606959 has 2 divisors, whose sum is σ = 489606960. Its totient is φ = 489606958.

The previous prime is 489606883. The next prime is 489606961. The reversal of 489606959 is 959606984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489606959 - 2²⁴ = 472829743 is a prime.

It is a Sophie Germain prime.

Together with 489606961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489606659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244803479 + 244803480.

It is an arithmetic number, because the mean of its divisors is an integer number (244803480).

Almost surely, 2^489606959 is an apocalyptic number.

489606959 is a deficient number, since it is larger than the sum of its proper divisors (1).

489606959 is an equidigital number, since it uses as much as digits as its factorization.

489606959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The square root of 489606959 is about 22127.0639489291. The cubic root of 489606959 is about 788.1626686903.

The spelling of 489606959 in words is "four hundred eighty-nine million, six hundred six thousand, nine hundred fifty-nine".