499556089 has 2 divisors, whose sum is σ = 499556090. Its totient is φ = 499556088.

The previous prime is 499556063. The next prime is 499556137. The reversal of 499556089 is 980655994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365459689 + 134096400 = 19117^2 + 11580^2 .

It is a cyclic number.

It is not a de Polignac number, because 499556089 - 2⁹ = 499555577 is a prime.

It is not a weakly prime, because it can be changed into another prime (499551089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249778044 + 249778045.

It is an arithmetic number, because the mean of its divisors is an integer number (249778045).

Almost surely, 2^499556089 is an apocalyptic number.

It is an amenable number.

499556089 is a deficient number, since it is larger than the sum of its proper divisors (1).

499556089 is an equidigital number, since it uses as much as digits as its factorization.

499556089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The square root of 499556089 is about 22350.7514191358. The cubic root of 499556089 is about 793.4655681740.

The spelling of 499556089 in words is "four hundred ninety-nine million, five hundred fifty-six thousand, eighty-nine".