2168249317 has 8 divisors (see below), whose sum is σ = 2350503680. Its totient is φ = 1988204400.

The previous prime is 2168249299. The next prime is 2168249323. The reversal of 2168249317 is 7139428612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2168249317 - 2³¹ = 20765669 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 (2168249327) 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 7 ways as a sum of consecutive naturals, for example, 550317 + ... + 554242.

It is an arithmetic number, because the mean of its divisors is an integer number (293812960).

Almost surely, 2^2168249317 is an apocalyptic number.

It is an amenable number.

2168249317 is a deficient number, since it is larger than the sum of its proper divisors (182254363).

2168249317 is a wasteful number, since it uses less digits than its factorization.

2168249317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104723.

The product of its digits is 145152, while the sum is 43.

The square root of 2168249317 is about 46564.4641008570. The cubic root of 2168249317 is about 1294.3043359912.

The spelling of 2168249317 in words is "two billion, one hundred sixty-eight million, two hundred forty-nine thousand, three hundred seventeen".