4418534909 has 2 divisors, whose sum is σ = 4418534910. Its totient is φ = 4418534908.

The previous prime is 4418534837. The next prime is 4418534959. The reversal of 4418534909 is 9094358144.

4418534909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2357102500 + 2061432409 = 48550^2 + 45403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4418534909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4418534959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209267454 + 2209267455.

It is an arithmetic number, because the mean of its divisors is an integer number (2209267455).

Almost surely, 2^4418534909 is an apocalyptic number.

It is an amenable number.

4418534909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4418534909 is an equidigital number, since it uses as much as digits as its factorization.

4418534909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 4418534909 is about 66472.0611159305. The cubic root of 4418534909 is about 1640.9402338258.

The spelling of 4418534909 in words is "four billion, four hundred eighteen million, five hundred thirty-four thousand, nine hundred nine".