4066240069 has 2 divisors, whose sum is σ = 4066240070. Its totient is φ = 4066240068.

The previous prime is 4066240063. The next prime is 4066240091. The reversal of 4066240069 is 9600426604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4030599169 + 35640900 = 63487^2 + 5970^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066240069 - 2²⁹ = 3529369157 is a prime.

It is a super-2 number, since 2×4066240069² = 33068616597482249522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066240063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033120034 + 2033120035.

It is an arithmetic number, because the mean of its divisors is an integer number (2033120035).

Almost surely, 2^4066240069 is an apocalyptic number.

It is an amenable number.

4066240069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066240069 is an equidigital number, since it uses as much as digits as its factorization.

4066240069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 4066240069 is about 63767.0766853868. The cubic root of 4066240069 is about 1596.1155861968.

The spelling of 4066240069 in words is "four billion, sixty-six million, two hundred forty thousand, sixty-nine".