499082189 has 2 divisors, whose sum is σ = 499082190. Its totient is φ = 499082188.

The previous prime is 499082183. The next prime is 499082191. The reversal of 499082189 is 981280994.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413796964 + 85285225 = 20342^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 499082189 - 2⁴ = 499082173 is a prime.

It is a Sophie Germain prime.

Together with 499082191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499082183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249541094 + 249541095.

It is an arithmetic number, because the mean of its divisors is an integer number (249541095).

Almost surely, 2^499082189 is an apocalyptic number.

It is an amenable number.

499082189 is a deficient number, since it is larger than the sum of its proper divisors (1).

499082189 is an equidigital number, since it uses as much as digits as its factorization.

499082189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 499082189 is about 22340.1474704175. The cubic root of 499082189 is about 793.2145838117.

The spelling of 499082189 in words is "four hundred ninety-nine million, eighty-two thousand, one hundred eighty-nine".