4366394909 has 2 divisors, whose sum is σ = 4366394910. Its totient is φ = 4366394908.

The previous prime is 4366394873. The next prime is 4366394927. The reversal of 4366394909 is 9094936634.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3428688025 + 937706884 = 58555^2 + 30622^2 .

It is a cyclic number.

It is not a de Polignac number, because 4366394909 - 2⁸ = 4366394653 is a prime.

It is a super-2 number, since 2×4366394909² = 38130809002682236562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4366394209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2183197454 + 2183197455.

It is an arithmetic number, because the mean of its divisors is an integer number (2183197455).

Almost surely, 2^4366394909 is an apocalyptic number.

It is an amenable number.

4366394909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4366394909 is an equidigital number, since it uses as much as digits as its factorization.

4366394909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The square root of 4366394909 is about 66078.7023858671. The cubic root of 4366394909 is about 1634.4601532694.

The spelling of 4366394909 in words is "four billion, three hundred sixty-six million, three hundred ninety-four thousand, nine hundred nine".