499919499 has 8 divisors (see below), whose sum is σ = 740621520. Its totient is φ = 333279648.

The previous prime is 499919491. The next prime is 499919509. The reversal of 499919499 is 994919994.

499919499 is a `hidden beast` number, since 49 + 99 + 19 + 499 = 666.

It is not a de Polignac number, because 499919499 - 2³ = 499919491 is a prime.

It is a super-2 number, since 2×499919499² = 499839010960822002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499919491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9257742 + ... + 9257795.

It is an arithmetic number, because the mean of its divisors is an integer number (92577690).

Almost surely, 2^499919499 is an apocalyptic number.

499919499 is a deficient number, since it is larger than the sum of its proper divisors (240702021).

499919499 is a wasteful number, since it uses less digits than its factorization.

499919499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18515546 (or 18515540 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 63.

The square root of 499919499 is about 22358.8796454563. The cubic root of 499919499 is about 793.6579279072.

The spelling of 499919499 in words is "four hundred ninety-nine million, nine hundred nineteen thousand, four hundred ninety-nine".