4399094009 has 2 divisors, whose sum is σ = 4399094010. Its totient is φ = 4399094008.

The previous prime is 4399093981. The next prime is 4399094027. The reversal of 4399094009 is 9004909934.

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., 4188031225 + 211062784 = 64715^2 + 14528^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399094009 - 2⁸ = 4399093753 is a prime.

It is not a weakly prime, because it can be changed into another prime (4399094209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199547004 + 2199547005.

It is an arithmetic number, because the mean of its divisors is an integer number (2199547005).

Almost surely, 2^4399094009 is an apocalyptic number.

It is an amenable number.

4399094009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399094009 is an equidigital number, since it uses as much as digits as its factorization.

4399094009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 4399094009 is about 66325.6662914139. Note that the first 3 decimals coincide. The cubic root of 4399094009 is about 1638.5300641329.

The spelling of 4399094009 in words is "four billion, three hundred ninety-nine million, ninety-four thousand, nine".