3128989959 has 8 divisors (see below), whose sum is σ = 4635540720. Its totient is φ = 2085993288.

The previous prime is 3128989873. The next prime is 3128989967. The reversal of 3128989959 is 9599898213.

It is not a de Polignac number, because 3128989959 - 2⁹ = 3128989447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3128989896 and 3128989905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128969959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57944232 + ... + 57944285.

It is an arithmetic number, because the mean of its divisors is an integer number (579442590).

Almost surely, 2^3128989959 is an apocalyptic number.

3128989959 is a deficient number, since it is larger than the sum of its proper divisors (1506550761).

3128989959 is a wasteful number, since it uses less digits than its factorization.

3128989959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115888526 (or 115888520 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The square root of 3128989959 is about 55937.3753317047. The cubic root of 3128989959 is about 1462.6308290589.

The spelling of 3128989959 in words is "three billion, one hundred twenty-eight million, nine hundred eighty-nine thousand, nine hundred fifty-nine".