489611449 has 2 divisors, whose sum is σ = 489611450. Its totient is φ = 489611448.

The previous prime is 489611443. The next prime is 489611519. The reversal of 489611449 is 944116984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373726224 + 115885225 = 19332^2 + 10765^2 .

It is a cyclic number.

It is not a de Polignac number, because 489611449 - 2¹⁷ = 489480377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489611399 and 489611408.

It is not a weakly prime, because it can be changed into another prime (489611443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244805724 + 244805725.

It is an arithmetic number, because the mean of its divisors is an integer number (244805725).

Almost surely, 2^489611449 is an apocalyptic number.

It is an amenable number.

489611449 is a deficient number, since it is larger than the sum of its proper divisors (1).

489611449 is an equidigital number, since it uses as much as digits as its factorization.

489611449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 489611449 is about 22127.1654081584. The cubic root of 489611449 is about 788.1650779967.

The spelling of 489611449 in words is "four hundred eighty-nine million, six hundred eleven thousand, four hundred forty-nine".