2628188589 has 16 divisors (see below), whose sum is σ = 3781400000. Its totient is φ = 1614093696.

The previous prime is 2628188567. The next prime is 2628188603. The reversal of 2628188589 is 9858818262.

It is not a de Polignac number, because 2628188589 - 2⁸ = 2628188333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628184589) 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 in 15 ways as a sum of consecutive naturals, for example, 48064 + ... + 86985.

It is an arithmetic number, because the mean of its divisors is an integer number (236337500).

Almost surely, 2^2628188589 is an apocalyptic number.

It is an amenable number.

2628188589 is a deficient number, since it is larger than the sum of its proper divisors (1153211411).

2628188589 is a wasteful number, since it uses less digits than its factorization.

2628188589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135564.

The product of its digits is 4423680, while the sum is 57.

The square root of 2628188589 is about 51265.8618283161. The cubic root of 2628188589 is about 1380.0204066506.

The spelling of 2628188589 in words is "two billion, six hundred twenty-eight million, one hundred eighty-eight thousand, five hundred eighty-nine".