4328646785 has 16 divisors (see below), whose sum is σ = 5503992960. Its totient is φ = 3258921600.

The previous prime is 4328646781. The next prime is 4328646787. The reversal of 4328646785 is 5876468234.

It is a happy number.

It is not a de Polignac number, because 4328646785 - 2² = 4328646781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4328646781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136532 + ... + 165221.

It is an arithmetic number, because the mean of its divisors is an integer number (343999560).

Almost surely, 2^4328646785 is an apocalyptic number.

It is an amenable number.

4328646785 is a deficient number, since it is larger than the sum of its proper divisors (1175346175).

4328646785 is a wasteful number, since it uses less digits than its factorization.

4328646785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301928.

The product of its digits is 7741440, while the sum is 53.

The square root of 4328646785 is about 65792.4523406751. The cubic root of 4328646785 is about 1629.7364654805.

The spelling of 4328646785 in words is "four billion, three hundred twenty-eight million, six hundred forty-six thousand, seven hundred eighty-five".