489859297 has 2 divisors, whose sum is σ = 489859298. Its totient is φ = 489859296.

The previous prime is 489859289. The next prime is 489859339. The reversal of 489859297 is 792958984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466732816 + 23126481 = 21604^2 + 4809^2 .

It is a cyclic number.

It is not a de Polignac number, because 489859297 - 2³ = 489859289 is a prime.

It is not a weakly prime, because it can be changed into another prime (489859207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244929648 + 244929649.

It is an arithmetic number, because the mean of its divisors is an integer number (244929649).

Almost surely, 2^489859297 is an apocalyptic number.

It is an amenable number.

489859297 is a deficient number, since it is larger than the sum of its proper divisors (1).

489859297 is an equidigital number, since it uses as much as digits as its factorization.

489859297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 61.

The square root of 489859297 is about 22132.7652361832. The cubic root of 489859297 is about 788.2980488697.

The spelling of 489859297 in words is "four hundred eighty-nine million, eight hundred fifty-nine thousand, two hundred ninety-seven".