2103509289 has 12 divisors (see below), whose sum is σ = 3262586064. Its totient is φ = 1202005224.

The previous prime is 2103509273. The next prime is 2103509329. The reversal of 2103509289 is 9829053012.

It is not a de Polignac number, because 2103509289 - 2⁴ = 2103509273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2103504289) 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 11 ways as a sum of consecutive naturals, for example, 7154647 + ... + 7154940.

It is an arithmetic number, because the mean of its divisors is an integer number (271882172).

Almost surely, 2^2103509289 is an apocalyptic number.

It is an amenable number.

2103509289 is a deficient number, since it is larger than the sum of its proper divisors (1159076775).

2103509289 is a wasteful number, since it uses less digits than its factorization.

2103509289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309604 (or 14309597 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2103509289 is about 45864.0304487078. The cubic root of 2103509289 is about 1281.2920890270.

The spelling of 2103509289 in words is "two billion, one hundred three million, five hundred nine thousand, two hundred eighty-nine".