499075509 has 8 divisors (see below), whose sum is σ = 667023840. Its totient is φ = 331922096.

The previous prime is 499075457. The next prime is 499075517. The reversal of 499075509 is 905570994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499075509 - 2⁹ = 499074997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499075589) 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 7 ways as a sum of consecutive naturals, for example, 197262 + ... + 199775.

It is an arithmetic number, because the mean of its divisors is an integer number (83377980).

Almost surely, 2^499075509 is an apocalyptic number.

It is an amenable number.

499075509 is a deficient number, since it is larger than the sum of its proper divisors (167948331).

499075509 is a wasteful number, since it uses less digits than its factorization.

499075509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397459.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 499075509 is about 22339.9979632944. The cubic root of 499075509 is about 793.2110448508.

The spelling of 499075509 in words is "four hundred ninety-nine million, seventy-five thousand, five hundred nine".