499498899 has 4 divisors (see below), whose sum is σ = 665998536. Its totient is φ = 332999264.

The previous prime is 499498817. The next prime is 499498919. The reversal of 499498899 is 998894994.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499498899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499498099) 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 in 3 ways as a sum of consecutive naturals, for example, 83249814 + ... + 83249819.

It is an arithmetic number, because the mean of its divisors is an integer number (166499634).

Almost surely, 2^499498899 is an apocalyptic number.

499498899 is a deficient number, since it is larger than the sum of its proper divisors (166499637).

499498899 is a wasteful number, since it uses less digits than its factorization.

499498899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166499636.

The product of its digits is 60466176, while the sum is 69.

The square root of 499498899 is about 22349.4720071862. The cubic root of 499498899 is about 793.4352879388.

The spelling of 499498899 in words is "four hundred ninety-nine million, four hundred ninety-eight thousand, eight hundred ninety-nine".