2203111409 has 2 divisors, whose sum is σ = 2203111410. Its totient is φ = 2203111408.

The previous prime is 2203111399. The next prime is 2203111451. The reversal of 2203111409 is 9041113022.

2203111409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2202237184 + 874225 = 46928^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2203111409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203111459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101555704 + 1101555705.

It is an arithmetic number, because the mean of its divisors is an integer number (1101555705).

Almost surely, 2^2203111409 is an apocalyptic number.

It is an amenable number.

2203111409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203111409 is an equidigital number, since it uses as much as digits as its factorization.

2203111409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2203111409 is about 46937.3136108150. The cubic root of 2203111409 is about 1301.2042901432.

The spelling of 2203111409 in words is "two billion, two hundred three million, one hundred eleven thousand, four hundred nine".