499919317 has 8 divisors (see below), whose sum is σ = 526760960. Its totient is φ = 473130720.

The previous prime is 499919309. The next prime is 499919359. The reversal of 499919317 is 713919994.

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 499919317 - 2³ = 499919309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499910317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 32362.

It is an arithmetic number, because the mean of its divisors is an integer number (65845120).

Almost surely, 2^499919317 is an apocalyptic number.

It is an amenable number.

499919317 is a deficient number, since it is larger than the sum of its proper divisors (26841643).

499919317 is a wasteful number, since it uses less digits than its factorization.

499919317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26523.

The product of its digits is 551124, while the sum is 52.

The square root of 499919317 is about 22358.8755754846. The cubic root of 499919317 is about 793.6578315945.

The spelling of 499919317 in words is "four hundred ninety-nine million, nine hundred nineteen thousand, three hundred seventeen".