2268529189 has 4 divisors (see below), whose sum is σ = 2278435660. Its totient is φ = 2258622720.

The previous prime is 2268529157. The next prime is 2268529217. The reversal of 2268529189 is 9819258622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2139525025 + 129004164 = 46255^2 + 11358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268529189 - 2⁵ = 2268529157 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 (2268529789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952892 + ... + 4953349.

It is an arithmetic number, because the mean of its divisors is an integer number (569608915).

Almost surely, 2^2268529189 is an apocalyptic number.

It is an amenable number.

2268529189 is a deficient number, since it is larger than the sum of its proper divisors (9906471).

2268529189 is an equidigital number, since it uses as much as digits as its factorization.

2268529189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906470.

The product of its digits is 1244160, while the sum is 52.

The square root of 2268529189 is about 47629.0792373735. The cubic root of 2268529189 is about 1313.9579206755.

The spelling of 2268529189 in words is "two billion, two hundred sixty-eight million, five hundred twenty-nine thousand, one hundred eighty-nine".