6609499860317 has 4 divisors (see below), whose sum is σ = 6659954057856. Its totient is φ = 6559045662780.

The previous prime is 6609499860239. The next prime is 6609499860331. The reversal of 6609499860317 is 7130689949066.

It is a happy number.

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 6609499860317 - 2³⁰ = 6608426118493 is a prime.

It is a super-2 number, since 2×6609499860317² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609499869317) 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, 25227098573 + ... + 25227098834.

It is an arithmetic number, because the mean of its divisors is an integer number (1664988514464).

Almost surely, 2^{6609499860317} is an apocalyptic number.

It is an amenable number.

6609499860317 is a deficient number, since it is larger than the sum of its proper divisors (50454197539).

6609499860317 is a wasteful number, since it uses less digits than its factorization.

6609499860317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50454197538.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 6609499860317 in words is "six trillion, six hundred nine billion, four hundred ninety-nine million, eight hundred sixty thousand, three hundred seventeen".