4066707391 has 2 divisors, whose sum is σ = 4066707392. Its totient is φ = 4066707390.

The previous prime is 4066707373. The next prime is 4066707431. The reversal of 4066707391 is 1937076604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4066707391 - 2⁹ = 4066706879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066707311) 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, 2033353695 + 2033353696.

It is an arithmetic number, because the mean of its divisors is an integer number (2033353696).

Almost surely, 2^4066707391 is an apocalyptic number.

4066707391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066707391 is an equidigital number, since it uses as much as digits as its factorization.

4066707391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 4066707391 is about 63770.7408691478. The cubic root of 4066707391 is about 1596.1767296072.

The spelling of 4066707391 in words is "four billion, sixty-six million, seven hundred seven thousand, three hundred ninety-one".