4043670109 has 2 divisors, whose sum is σ = 4043670110. Its totient is φ = 4043670108.

The previous prime is 4043670107. The next prime is 4043670149. The reversal of 4043670109 is 9010763404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2605592025 + 1438078084 = 51045^2 + 37922^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043670109 - 2¹ = 4043670107 is a prime.

Together with 4043670107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043670107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021835054 + 2021835055.

It is an arithmetic number, because the mean of its divisors is an integer number (2021835055).

Almost surely, 2^4043670109 is an apocalyptic number.

It is an amenable number.

4043670109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043670109 is an equidigital number, since it uses as much as digits as its factorization.

4043670109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4043670109 is about 63589.8585389211. The cubic root of 4043670109 is about 1593.1569870666.

The spelling of 4043670109 in words is "four billion, forty-three million, six hundred seventy thousand, one hundred nine".