289923933723839 has 32 divisors (see below), whose sum is σ = 305097048748800. Its totient is φ = 275261857597440.

The previous prime is 289923933723829. The next prime is 289923933723857. The reversal of 289923933723839 is 938327339329982.

It is not a de Polignac number, because 289923933723839 - 2²⁰ = 289923932675263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289923933723829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76111457 + ... + 79829829.

It is an arithmetic number, because the mean of its divisors is an integer number (9534282773400).

Almost surely, 2^{289923933723839} is an apocalyptic number.

289923933723839 is a deficient number, since it is larger than the sum of its proper divisors (15173115024961).

289923933723839 is a wasteful number, since it uses less digits than its factorization.

289923933723839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718835.

The product of its digits is 5714053632, while the sum is 80.

The spelling of 289923933723839 in words is "two hundred eighty-nine trillion, nine hundred twenty-three billion, nine hundred thirty-three million, seven hundred twenty-three thousand, eight hundred thirty-nine".