2259903409 has 2 divisors, whose sum is σ = 2259903410. Its totient is φ = 2259903408.

The previous prime is 2259903383. The next prime is 2259903439. The reversal of 2259903409 is 9043099522.

It is a happy number.

2259903409 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., 2259576225 + 327184 = 47535^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259903409 - 2⁷ = 2259903281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2259903439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129951704 + 1129951705.

It is an arithmetic number, because the mean of its divisors is an integer number (1129951705).

Almost surely, 2^2259903409 is an apocalyptic number.

It is an amenable number.

2259903409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259903409 is an equidigital number, since it uses as much as digits as its factorization.

2259903409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 2259903409 is about 47538.4413816860. The cubic root of 2259903409 is about 1312.2904220953.

The spelling of 2259903409 in words is "two billion, two hundred fifty-nine million, nine hundred three thousand, four hundred nine".