4066939369 has 2 divisors, whose sum is σ = 4066939370. Its totient is φ = 4066939368.

The previous prime is 4066939343. The next prime is 4066939411. The reversal of 4066939369 is 9639396604.

4066939369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2684586969 + 1382352400 = 51813^2 + 37180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066939369 - 2⁹ = 4066938857 is a prime.

It is a super-2 number, since 2×4066939369² = 33079991662244236322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4066939309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033469684 + 2033469685.

It is an arithmetic number, because the mean of its divisors is an integer number (2033469685).

Almost surely, 2^4066939369 is an apocalyptic number.

It is an amenable number.

4066939369 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066939369 is an equidigital number, since it uses as much as digits as its factorization.

4066939369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5668704, while the sum is 55.

The square root of 4066939369 is about 63772.5596867493. The cubic root of 4066939369 is about 1596.2070793725.

The spelling of 4066939369 in words is "four billion, sixty-six million, nine hundred thirty-nine thousand, three hundred sixty-nine".