2038905289 has 4 divisors (see below), whose sum is σ = 2039861524. Its totient is φ = 2037949056.

The previous prime is 2038905287. The next prime is 2038905293. The reversal of 2038905289 is 9825098302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1156340025 + 882565264 = 34005^2 + 29708^2 .

It is a cyclic number.

It is not a de Polignac number, because 2038905289 - 2¹ = 2038905287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2038905287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474912 + ... + 479185.

It is an arithmetic number, because the mean of its divisors is an integer number (509965381).

Almost surely, 2^2038905289 is an apocalyptic number.

It is an amenable number.

2038905289 is a deficient number, since it is larger than the sum of its proper divisors (956235).

2038905289 is an equidigital number, since it uses as much as digits as its factorization.

2038905289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956234.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2038905289 is about 45154.2388818591. The cubic root of 2038905289 is about 1268.0382403873.

The spelling of 2038905289 in words is "two billion, thirty-eight million, nine hundred five thousand, two hundred eighty-nine".