3128819068 has 12 divisors (see below), whose sum is σ = 5477923080. Its totient is φ = 1563698192.

The previous prime is 3128819063. The next prime is 3128819081. The reversal of 3128819068 is 8609188213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128819063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167878 + ... + 185581.

It is an arithmetic number, because the mean of its divisors is an integer number (456493590).

Almost surely, 2^3128819068 is an apocalyptic number.

It is an amenable number.

3128819068 is a deficient number, since it is larger than the sum of its proper divisors (2349104012).

3128819068 is a wasteful number, since it uses less digits than its factorization.

3128819068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355676 (or 355674 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 3128819068 is about 55935.8477901247. The cubic root of 3128819068 is about 1462.6042011908.

The spelling of 3128819068 in words is "three billion, one hundred twenty-eight million, eight hundred nineteen thousand, sixty-eight".