499863911 has 2 divisors, whose sum is σ = 499863912. Its totient is φ = 499863910.

The previous prime is 499863901. The next prime is 499863929. The reversal of 499863911 is 119368994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499863911 - 2²² = 495669607 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499863911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499863901) 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, 249931955 + 249931956.

It is an arithmetic number, because the mean of its divisors is an integer number (249931956).

Almost surely, 2^499863911 is an apocalyptic number.

499863911 is a deficient number, since it is larger than the sum of its proper divisors (1).

499863911 is an equidigital number, since it uses as much as digits as its factorization.

499863911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 50.

The square root of 499863911 is about 22357.6365253575. The cubic root of 499863911 is about 793.6285101761.

The spelling of 499863911 in words is "four hundred ninety-nine million, eight hundred sixty-three thousand, nine hundred eleven".