489512417 has 2 divisors, whose sum is σ = 489512418. Its totient is φ = 489512416.

The previous prime is 489512369. The next prime is 489512437. The reversal of 489512417 is 714215984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294602896 + 194909521 = 17164^2 + 13961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489512417 is a prime.

It is not a weakly prime, because it can be changed into another prime (489512437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244756208 + 244756209.

It is an arithmetic number, because the mean of its divisors is an integer number (244756209).

Almost surely, 2^489512417 is an apocalyptic number.

It is an amenable number.

489512417 is a deficient number, since it is larger than the sum of its proper divisors (1).

489512417 is an equidigital number, since it uses as much as digits as its factorization.

489512417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 489512417 is about 22124.9275027061. The cubic root of 489512417 is about 788.1119346131. Note that the first 3 decimals are identical.

The spelling of 489512417 in words is "four hundred eighty-nine million, five hundred twelve thousand, four hundred seventeen".