498900169 has 2 divisors, whose sum is σ = 498900170. Its totient is φ = 498900168.

The previous prime is 498900163. The next prime is 498900179. The reversal of 498900169 is 961009894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477859600 + 21040569 = 21860^2 + 4587^2 .

It is a cyclic number.

It is not a de Polignac number, because 498900169 - 2⁷ = 498900041 is a prime.

It is a super-2 number, since 2×498900169² = 497802757256457122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498900163) 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, 249450084 + 249450085.

It is an arithmetic number, because the mean of its divisors is an integer number (249450085).

Almost surely, 2^498900169 is an apocalyptic number.

It is an amenable number.

498900169 is a deficient number, since it is larger than the sum of its proper divisors (1).

498900169 is an equidigital number, since it uses as much as digits as its factorization.

498900169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 498900169 is about 22336.0732672509. The cubic root of 498900169 is about 793.1181411297.

The spelling of 498900169 in words is "four hundred ninety-eight million, nine hundred thousand, one hundred sixty-nine".