499066709 has 8 divisors (see below), whose sum is σ = 511903800. Its totient is φ = 486356416.

The previous prime is 499066697. The next prime is 499066721. The reversal of 499066709 is 907660994.

It is an interprime number because it is at equal distance from previous prime (499066697) and next prime (499066721).

It can be written as a sum of positive squares in 4 ways, for example, as 171348100 + 327718609 = 13090^2 + 18103^2 .

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 499066709 - 2⁸ = 499066453 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 (499066759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23702 + ... + 39495.

It is an arithmetic number, because the mean of its divisors is an integer number (63987975).

Almost surely, 2^499066709 is an apocalyptic number.

It is an amenable number.

499066709 is a deficient number, since it is larger than the sum of its proper divisors (12837091).

499066709 is a wasteful number, since it uses less digits than its factorization.

499066709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63399.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 499066709 is about 22339.8010062758. The cubic root of 499066709 is about 793.2063826984.

The spelling of 499066709 in words is "four hundred ninety-nine million, sixty-six thousand, seven hundred nine".