4043670091 has 2 divisors, whose sum is σ = 4043670092. Its totient is φ = 4043670090.

The previous prime is 4043670073. The next prime is 4043670107. The reversal of 4043670091 is 1900763404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043670091 is a prime.

It is not a weakly prime, because it can be changed into another prime (4043670011) 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, 2021835045 + 2021835046.

It is an arithmetic number, because the mean of its divisors is an integer number (2021835046).

Almost surely, 2^4043670091 is an apocalyptic number.

4043670091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043670091 is an equidigital number, since it uses as much as digits as its factorization.

4043670091 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4043670091 is about 63589.8583973891. The cubic root of 4043670091 is about 1593.1569847027.

The spelling of 4043670091 in words is "four billion, forty-three million, six hundred seventy thousand, ninety-one".