499935009 has 32 divisors (see below), whose sum is σ = 784684800. Its totient is φ = 277143552.

The previous prime is 499934999. The next prime is 499935019. The reversal of 499935009 is 900539994.

It is an interprime number because it is at equal distance from previous prime (499934999) and next prime (499935019).

It is not a de Polignac number, because 499935009 - 2¹⁶ = 499869473 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499935019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348157 + ... + 349589.

It is an arithmetic number, because the mean of its divisors is an integer number (24521400).

Almost surely, 2^499935009 is an apocalyptic number.

It is an amenable number.

499935009 is a deficient number, since it is larger than the sum of its proper divisors (284749791).

499935009 is a wasteful number, since it uses less digits than its factorization.

499935009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 499935009 is about 22359.2264848317. The cubic root of 499935009 is about 793.6661355668. Note that the first 3 decimals are identical.

The spelling of 499935009 in words is "four hundred ninety-nine million, nine hundred thirty-five thousand, nine".