4143328649 has 2 divisors, whose sum is σ = 4143328650. Its totient is φ = 4143328648.

The previous prime is 4143328643. The next prime is 4143328669. The reversal of 4143328649 is 9468233414.

4143328649 is digitally balanced in base 3, 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., 4112913424 + 30415225 = 64132^2 + 5515^2 .

It is a cyclic number.

It is not a de Polignac number, because 4143328649 - 2⁴ = 4143328633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4143328643) 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, 2071664324 + 2071664325.

It is an arithmetic number, because the mean of its divisors is an integer number (2071664325).

Almost surely, 2^4143328649 is an apocalyptic number.

It is an amenable number.

4143328649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4143328649 is an equidigital number, since it uses as much as digits as its factorization.

4143328649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 44.

The square root of 4143328649 is about 64368.6930813420. The cubic root of 4143328649 is about 1606.1389998058.

The spelling of 4143328649 in words is "four billion, one hundred forty-three million, three hundred twenty-eight thousand, six hundred forty-nine".