499603913 has 4 divisors (see below), whose sum is σ = 499739088. Its totient is φ = 499468740.

The previous prime is 499603891. The next prime is 499603919. The reversal of 499603913 is 319306994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499603913 - 2¹² = 499599817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499603919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61883 + ... + 69488.

It is an arithmetic number, because the mean of its divisors is an integer number (124934772).

Almost surely, 2^499603913 is an apocalyptic number.

It is an amenable number.

499603913 is a deficient number, since it is larger than the sum of its proper divisors (135175).

499603913 is a wasteful number, since it uses less digits than its factorization.

499603913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135174.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 499603913 is about 22351.8212457061. The cubic root of 499603913 is about 793.4908876442.

The spelling of 499603913 in words is "four hundred ninety-nine million, six hundred three thousand, nine hundred thirteen".