489289441 has 2 divisors, whose sum is σ = 489289442. Its totient is φ = 489289440.

The previous prime is 489289391. The next prime is 489289447. The reversal of 489289441 is 144982984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448380625 + 40908816 = 21175^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 489289441 - 2¹⁵ = 489256673 is a prime.

It is not a weakly prime, because it can be changed into another prime (489289447) 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, 244644720 + 244644721.

It is an arithmetic number, because the mean of its divisors is an integer number (244644721).

Almost surely, 2^489289441 is an apocalyptic number.

It is an amenable number.

489289441 is a deficient number, since it is larger than the sum of its proper divisors (1).

489289441 is an equidigital number, since it uses as much as digits as its factorization.

489289441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 49.

The square root of 489289441 is about 22119.8879065876. The cubic root of 489289441 is about 787.9922531168.

The spelling of 489289441 in words is "four hundred eighty-nine million, two hundred eighty-nine thousand, four hundred forty-one".