499974159 has 4 divisors (see below), whose sum is σ = 666632216. Its totient is φ = 333316104.

The previous prime is 499974149. The next prime is 499974187. The reversal of 499974159 is 951479994.

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

It is not a de Polignac number, because 499974159 - 2⁷ = 499974031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499974099 and 499974108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499974149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83329024 + ... + 83329029.

It is an arithmetic number, because the mean of its divisors is an integer number (166658054).

Almost surely, 2^499974159 is an apocalyptic number.

499974159 is a deficient number, since it is larger than the sum of its proper divisors (166658057).

499974159 is a wasteful number, since it uses less digits than its factorization.

499974159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166658056.

The product of its digits is 3674160, while the sum is 57.

The square root of 499974159 is about 22360.1019452059. The cubic root of 499974159 is about 793.6868524050.

The spelling of 499974159 in words is "four hundred ninety-nine million, nine hundred seventy-four thousand, one hundred fifty-nine".