4093391089 has 2 divisors, whose sum is σ = 4093391090. Its totient is φ = 4093391088.

The previous prime is 4093391077. The next prime is 4093391111. The reversal of 4093391089 is 9801933904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3933798400 + 159592689 = 62720^2 + 12633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4093391089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4093391059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2046695544 + 2046695545.

It is an arithmetic number, because the mean of its divisors is an integer number (2046695545).

Almost surely, 2^4093391089 is an apocalyptic number.

It is an amenable number.

4093391089 is a deficient number, since it is larger than the sum of its proper divisors (1).

4093391089 is an equidigital number, since it uses as much as digits as its factorization.

4093391089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 4093391089 is about 63979.6146362261. The cubic root of 4093391089 is about 1599.6602258980.

The spelling of 4093391089 in words is "four billion, ninety-three million, three hundred ninety-one thousand, eighty-nine".