4418137109 has 2 divisors, whose sum is σ = 4418137110. Its totient is φ = 4418137108.

The previous prime is 4418137069. The next prime is 4418137111. The reversal of 4418137109 is 9017318144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2729749009 + 1688388100 = 52247^2 + 41090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4418137109 is a prime.

Together with 4418137111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4418137159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209068554 + 2209068555.

It is an arithmetic number, because the mean of its divisors is an integer number (2209068555).

Almost surely, 2^4418137109 is an apocalyptic number.

It is an amenable number.

4418137109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4418137109 is an equidigital number, since it uses as much as digits as its factorization.

4418137109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 4418137109 is about 66469.0688139980. The cubic root of 4418137109 is about 1640.8909878179.

The spelling of 4418137109 in words is "four billion, four hundred eighteen million, one hundred thirty-seven thousand, one hundred nine".