289452875289 has 4 divisors (see below), whose sum is σ = 385937167056. Its totient is φ = 192968583524.

The previous prime is 289452875287. The next prime is 289452875339. The reversal of 289452875289 is 982578254982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 289452875289 - 2¹ = 289452875287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289452875287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48242145879 + ... + 48242145884.

It is an arithmetic number, because the mean of its divisors is an integer number (96484291764).

Almost surely, 2^289452875289 is an apocalyptic number.

It is an amenable number.

289452875289 is a deficient number, since it is larger than the sum of its proper divisors (96484291767).

289452875289 is an equidigital number, since it uses as much as digits as its factorization.

289452875289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96484291766.

The product of its digits is 232243200, while the sum is 69.

The spelling of 289452875289 in words is "two hundred eighty-nine billion, four hundred fifty-two million, eight hundred seventy-five thousand, two hundred eighty-nine".