498458489 has 2 divisors, whose sum is σ = 498458490. Its totient is φ = 498458488.

The previous prime is 498458437. The next prime is 498458501. The reversal of 498458489 is 984854894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496933264 + 1525225 = 22292^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 498458489 - 2¹⁶ = 498392953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (498458189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249229244 + 249229245.

It is an arithmetic number, because the mean of its divisors is an integer number (249229245).

Almost surely, 2^498458489 is an apocalyptic number.

It is an amenable number.

498458489 is a deficient number, since it is larger than the sum of its proper divisors (1).

498458489 is an equidigital number, since it uses as much as digits as its factorization.

498458489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13271040, while the sum is 59.

The square root of 498458489 is about 22326.1839327727. The cubic root of 498458489 is about 792.8840209130.

The spelling of 498458489 in words is "four hundred ninety-eight million, four hundred fifty-eight thousand, four hundred eighty-nine".