499343709 has 4 divisors (see below), whose sum is σ = 665791616. Its totient is φ = 332895804.

The previous prime is 499343701. The next prime is 499343717. The reversal of 499343709 is 907343994.

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 an interprime number because it is at equal distance from previous prime (499343701) and next prime (499343717).

It is not a de Polignac number, because 499343709 - 2³ = 499343701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499343701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83223949 + ... + 83223954.

It is an arithmetic number, because the mean of its divisors is an integer number (166447904).

Almost surely, 2^499343709 is an apocalyptic number.

It is an amenable number.

499343709 is a deficient number, since it is larger than the sum of its proper divisors (166447907).

499343709 is a wasteful number, since it uses less digits than its factorization.

499343709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166447906.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 499343709 is about 22345.9998433724. Note that the first 3 decimals coincide. The cubic root of 499343709 is about 793.3531082604.

The spelling of 499343709 in words is "four hundred ninety-nine million, three hundred forty-three thousand, seven hundred nine".