499199017 has 4 divisors (see below), whose sum is σ = 499243716. Its totient is φ = 499154320.

The previous prime is 499199003. The next prime is 499199023. The reversal of 499199017 is 710991994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 710991994 = 2 ⋅355495997.

It can be written as a sum of positive squares in 2 ways, for example, as 376786921 + 122412096 = 19411^2 + 11064^2 .

It is a cyclic number.

It is not a de Polignac number, because 499199017 - 2¹⁵ = 499166249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499199087) 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, 10383 + ... + 33259.

It is an arithmetic number, because the mean of its divisors is an integer number (124810929).

Almost surely, 2^499199017 is an apocalyptic number.

It is an amenable number.

499199017 is a deficient number, since it is larger than the sum of its proper divisors (44699).

499199017 is a wasteful number, since it uses less digits than its factorization.

499199017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44698.

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 499199017 is about 22342.7620718657. The cubic root of 499199017 is about 793.2764723780.

The spelling of 499199017 in words is "four hundred ninety-nine million, one hundred ninety-nine thousand, seventeen".