2289730369 has 4 divisors (see below), whose sum is σ = 2289835440. Its totient is φ = 2289625300.

The previous prime is 2289730309. The next prime is 2289730381. The reversal of 2289730369 is 9630379822.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2289730369 - 2⁷ = 2289730241 is a prime.

It is a super-2 number, since 2×2289730369² = 10485730325441752322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289730309) 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, 6259 + ... + 67960.

It is an arithmetic number, because the mean of its divisors is an integer number (572458860).

Almost surely, 2^2289730369 is an apocalyptic number.

It is an amenable number.

2289730369 is a deficient number, since it is larger than the sum of its proper divisors (105071).

2289730369 is an equidigital number, since it uses as much as digits as its factorization.

2289730369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105070.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 2289730369 is about 47851.1271445094. The cubic root of 2289730369 is about 1318.0385562808.

The spelling of 2289730369 in words is "two billion, two hundred eighty-nine million, seven hundred thirty thousand, three hundred sixty-nine".