2268929689 has 8 divisors (see below), whose sum is σ = 2445359112. Its totient is φ = 2092771200.

The previous prime is 2268929687. The next prime is 2268929693. The reversal of 2268929689 is 9869298622.

It can be written as a sum of positive squares in 4 ways, for example, as 132641289 + 2136288400 = 11517^2 + 46220^2 .

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

It is not a de Polignac number, because 2268929689 - 2¹ = 2268929687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2268929687) 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, 50164 + ... + 83989.

It is an arithmetic number, because the mean of its divisors is an integer number (305669889).

Almost surely, 2^2268929689 is an apocalyptic number.

It is an amenable number.

2268929689 is a deficient number, since it is larger than the sum of its proper divisors (176429423).

2268929689 is a wasteful number, since it uses less digits than its factorization.

2268929689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135467.

The product of its digits is 13436928, while the sum is 61.

The square root of 2268929689 is about 47633.2834161157. The cubic root of 2268929689 is about 1314.0352408447.

The spelling of 2268929689 in words is "two billion, two hundred sixty-eight million, nine hundred twenty-nine thousand, six hundred eighty-nine".