2265947159 has 4 divisors (see below), whose sum is σ = 2589653904. Its totient is φ = 1942240416.

The previous prime is 2265947149. The next prime is 2265947171. The reversal of 2265947159 is 9517495622.

2265947159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2265947159 - 2¹² = 2265943063 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 (2265947149) 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, 161853362 + ... + 161853375.

It is an arithmetic number, because the mean of its divisors is an integer number (647413476).

Almost surely, 2^2265947159 is an apocalyptic number.

2265947159 is a deficient number, since it is larger than the sum of its proper divisors (323706745).

2265947159 is an equidigital number, since it uses as much as digits as its factorization.

2265947159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323706744.

The product of its digits is 1360800, while the sum is 50.

The square root of 2265947159 is about 47601.9659152855. The cubic root of 2265947159 is about 1313.4592177012.

The spelling of 2265947159 in words is "two billion, two hundred sixty-five million, nine hundred forty-seven thousand, one hundred fifty-nine".