499655899 has 2 divisors, whose sum is σ = 499655900. Its totient is φ = 499655898.

The previous prime is 499655869. The next prime is 499655921. The reversal of 499655899 is 998556994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499655899 - 2⁷ = 499655771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499655899.

It is not a weakly prime, because it can be changed into another prime (499655869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249827949 + 249827950.

It is an arithmetic number, because the mean of its divisors is an integer number (249827950).

Almost surely, 2^499655899 is an apocalyptic number.

499655899 is a deficient number, since it is larger than the sum of its proper divisors (1).

499655899 is an equidigital number, since it uses as much as digits as its factorization.

499655899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31492800, while the sum is 64.

The square root of 499655899 is about 22352.9841184572. The cubic root of 499655899 is about 793.5184087701.

The spelling of 499655899 in words is "four hundred ninety-nine million, six hundred fifty-five thousand, eight hundred ninety-nine".