2203773149 has 2 divisors, whose sum is σ = 2203773150. Its totient is φ = 2203773148.

The previous prime is 2203773139. The next prime is 2203773151. The reversal of 2203773149 is 9413773022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2186217049 + 17556100 = 46757^2 + 4190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203773149 - 2²⁴ = 2186995933 is a prime.

Together with 2203773151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203773109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101886574 + 1101886575.

It is an arithmetic number, because the mean of its divisors is an integer number (1101886575).

Almost surely, 2^2203773149 is an apocalyptic number.

It is an amenable number.

2203773149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203773149 is an equidigital number, since it uses as much as digits as its factorization.

2203773149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2203773149 is about 46944.3622706710. The cubic root of 2203773149 is about 1301.3345563244.

The spelling of 2203773149 in words is "two billion, two hundred three million, seven hundred seventy-three thousand, one hundred forty-nine".