2209130449 has 4 divisors (see below), whose sum is σ = 2209320036. Its totient is φ = 2208940864.

The previous prime is 2209130447. The next prime is 2209130509. The reversal of 2209130449 is 9440319022.

2209130449 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 can be written as a sum of positive squares in 2 ways, for example, as 1317690000 + 891440449 = 36300^2 + 29857^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209130449 - 2¹ = 2209130447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209130447) 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, 76084 + ... + 101029.

It is an arithmetic number, because the mean of its divisors is an integer number (552330009).

Almost surely, 2^2209130449 is an apocalyptic number.

It is an amenable number.

2209130449 is a deficient number, since it is larger than the sum of its proper divisors (189587).

2209130449 is a wasteful number, since it uses less digits than its factorization.

2209130449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189586.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2209130449 is about 47001.3877348318. The cubic root of 2209130449 is about 1302.3882034846.

The spelling of 2209130449 in words is "two billion, two hundred nine million, one hundred thirty thousand, four hundred forty-nine".