2289643349 has 4 divisors (see below), whose sum is σ = 2616735264. Its totient is φ = 1962551436.

The previous prime is 2289643339. The next prime is 2289643373. The reversal of 2289643349 is 9433469822.

It is a happy number.

2289643349 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, 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 2289643349 - 2¹⁶ = 2289577813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2289643297 and 2289643306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289643309) 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, 163545947 + ... + 163545960.

It is an arithmetic number, because the mean of its divisors is an integer number (654183816).

Almost surely, 2^2289643349 is an apocalyptic number.

It is an amenable number.

2289643349 is a deficient number, since it is larger than the sum of its proper divisors (327091915).

2289643349 is an equidigital number, since it uses as much as digits as its factorization.

2289643349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327091914.

The product of its digits is 2239488, while the sum is 50.

The square root of 2289643349 is about 47850.2178573933. The cubic root of 2289643349 is about 1318.0218589482.

The spelling of 2289643349 in words is "two billion, two hundred eighty-nine million, six hundred forty-three thousand, three hundred forty-nine".