289136313923 has 4 divisors (see below), whose sum is σ = 289575064680. Its totient is φ = 288697563168.

The previous prime is 289136313883. The next prime is 289136313943. The reversal of 289136313923 is 329313631982.

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

It is a cyclic number.

It is not a de Polignac number, because 289136313923 - 2⁶ = 289136313859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289136313943) 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, 219374390 + ... + 219375707.

It is an arithmetic number, because the mean of its divisors is an integer number (72393766170).

Almost surely, 2^289136313923 is an apocalyptic number.

289136313923 is a deficient number, since it is larger than the sum of its proper divisors (438750757).

289136313923 is an equidigital number, since it uses as much as digits as its factorization.

289136313923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438750756.

The product of its digits is 1259712, while the sum is 50.

The spelling of 289136313923 in words is "two hundred eighty-nine billion, one hundred thirty-six million, three hundred thirteen thousand, nine hundred twenty-three".