3864328709 has 2 divisors, whose sum is σ = 3864328710. Its totient is φ = 3864328708.

The previous prime is 3864328703. The next prime is 3864328747. The reversal of 3864328709 is 9078234683.

3864328709 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., 2896807684 + 967521025 = 53822^2 + 31105^2 .

It is a cyclic number.

It is not a de Polignac number, because 3864328709 - 2¹⁶ = 3864263173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3864328703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932164354 + 1932164355.

It is an arithmetic number, because the mean of its divisors is an integer number (1932164355).

Almost surely, 2^3864328709 is an apocalyptic number.

It is an amenable number.

3864328709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864328709 is an equidigital number, since it uses as much as digits as its factorization.

3864328709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 3864328709 is about 62163.7250251302. The cubic root of 3864328709 is about 1569.2471689199.

The spelling of 3864328709 in words is "three billion, eight hundred sixty-four million, three hundred twenty-eight thousand, seven hundred nine".