2689130900 has 18 divisors (see below), whose sum is σ = 5835414270. Its totient is φ = 1075652320.

The previous prime is 2689130891. The next prime is 2689130921. The reversal of 2689130900 is 90319862.

It can be written as a sum of positive squares in 3 ways, for example, as 772617616 + 1916513284 = 27796^2 + 43778^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13445555 + ... + 13445754.

Almost surely, 2^2689130900 is an apocalyptic number.

2689130900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689130900 is an abundant number, since it is smaller than the sum of its proper divisors (3146283370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689130900 is a wasteful number, since it uses less digits than its factorization.

2689130900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26891323 (or 26891316 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2689130900 is about 51856.8307940237. The cubic root of 2689130900 is about 1390.6056226059.

The spelling of 2689130900 in words is "two billion, six hundred eighty-nine million, one hundred thirty thousand, nine hundred".