4328408729 has 2 divisors, whose sum is σ = 4328408730. Its totient is φ = 4328408728.

The previous prime is 4328408723. The next prime is 4328408797. The reversal of 4328408729 is 9278048234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3405889600 + 922519129 = 58360^2 + 30373^2 .

It is a cyclic number.

It is not a de Polignac number, because 4328408729 - 2¹⁶ = 4328343193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4328408723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2164204364 + 2164204365.

It is an arithmetic number, because the mean of its divisors is an integer number (2164204365).

Almost surely, 2^4328408729 is an apocalyptic number.

It is an amenable number.

4328408729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4328408729 is an equidigital number, since it uses as much as digits as its factorization.

4328408729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 4328408729 is about 65790.6431721107. The cubic root of 4328408729 is about 1629.7065888874.

The spelling of 4328408729 in words is "four billion, three hundred twenty-eight million, four hundred eight thousand, seven hundred twenty-nine".