2789128630 has 16 divisors (see below), whose sum is σ = 5315751360. Its totient is φ = 1050024832.

The previous prime is 2789128577. The next prime is 2789128631. The reversal of 2789128630 is 368219872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789128631) 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 7 ways as a sum of consecutive naturals, for example, 8203150 + ... + 8203489.

It is an arithmetic number, because the mean of its divisors is an integer number (332234460).

Almost surely, 2^2789128630 is an apocalyptic number.

2789128630 is a deficient number, since it is larger than the sum of its proper divisors (2526622730).

2789128630 is a wasteful number, since it uses less digits than its factorization.

2789128630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406663.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 2789128630 is about 52812.2015257838. The cubic root of 2789128630 is about 1407.6332425834.

The spelling of 2789128630 in words is "two billion, seven hundred eighty-nine million, one hundred twenty-eight thousand, six hundred thirty".