2241451909 has 2 divisors, whose sum is σ = 2241451910. Its totient is φ = 2241451908.

The previous prime is 2241451903. The next prime is 2241451939. The reversal of 2241451909 is 9091541422.

2241451909 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., 1979983009 + 261468900 = 44497^2 + 16170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241451909 - 2⁷ = 2241451781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2241451903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120725954 + 1120725955.

It is an arithmetic number, because the mean of its divisors is an integer number (1120725955).

Almost surely, 2^2241451909 is an apocalyptic number.

It is an amenable number.

2241451909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241451909 is an equidigital number, since it uses as much as digits as its factorization.

2241451909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2241451909 is about 47343.9743684452. The cubic root of 2241451909 is about 1308.7091588887.

The spelling of 2241451909 in words is "two billion, two hundred forty-one million, four hundred fifty-one thousand, nine hundred nine".