2689110809 has 8 divisors (see below), whose sum is σ = 3352657728. Its totient is φ = 2095410960.

The previous prime is 2689110797. The next prime is 2689110857. The reversal of 2689110809 is 9080119862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2689110809 - 2¹⁶ = 2689045273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2689110809.

It is not an unprimeable number, because it can be changed into a prime (2689110859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17461682 + ... + 17461835.

It is an arithmetic number, because the mean of its divisors is an integer number (419082216).

Almost surely, 2^2689110809 is an apocalyptic number.

It is an amenable number.

2689110809 is a deficient number, since it is larger than the sum of its proper divisors (663546919).

2689110809 is a wasteful number, since it uses less digits than its factorization.

2689110809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34923535.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 2689110809 is about 51856.6370776201. The cubic root of 2689110809 is about 1390.6021594390.

The spelling of 2689110809 in words is "two billion, six hundred eighty-nine million, one hundred ten thousand, eight hundred nine".