499321317 has 16 divisors (see below), whose sum is σ = 735482880. Its totient is φ = 298786800.

The previous prime is 499321267. The next prime is 499321343. The reversal of 499321317 is 713123994.

It is not a de Polignac number, because 499321317 - 2¹⁰ = 499320293 is a prime.

It is a super-2 number, since 2×499321317² = 498643555221228978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499321357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93159 + ... + 98372.

It is an arithmetic number, because the mean of its divisors is an integer number (45967680).

Almost surely, 2^499321317 is an apocalyptic number.

It is an amenable number.

499321317 is a deficient number, since it is larger than the sum of its proper divisors (236161563).

499321317 is a wasteful number, since it uses less digits than its factorization.

499321317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191624.

The product of its digits is 40824, while the sum is 39.

The square root of 499321317 is about 22345.4988084849. The cubic root of 499321317 is about 793.3412493423.

The spelling of 499321317 in words is "four hundred ninety-nine million, three hundred twenty-one thousand, three hundred seventeen".