2281310909 has 2 divisors, whose sum is σ = 2281310910. Its totient is φ = 2281310908.

The previous prime is 2281310891. The next prime is 2281310921. The reversal of 2281310909 is 9090131822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280540025 + 770884 = 47755^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281310909 - 2⁸ = 2281310653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281310929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140655454 + 1140655455.

It is an arithmetic number, because the mean of its divisors is an integer number (1140655455).

Almost surely, 2^2281310909 is an apocalyptic number.

It is an amenable number.

2281310909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281310909 is an equidigital number, since it uses as much as digits as its factorization.

2281310909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2281310909 is about 47763.0705566550. The cubic root of 2281310909 is about 1316.4210729097.

The spelling of 2281310909 in words is "two billion, two hundred eighty-one million, three hundred ten thousand, nine hundred nine".