289521116524 has 24 divisors (see below), whose sum is σ = 509454489600. Its totient is φ = 143963107920.

The previous prime is 289521116501. The next prime is 289521116531. The reversal of 289521116524 is 425611125982.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2837017 + ... + 2937295.

It is an arithmetic number, because the mean of its divisors is an integer number (21227270400).

Almost surely, 2^289521116524 is an apocalyptic number.

It is an amenable number.

289521116524 is a deficient number, since it is larger than the sum of its proper divisors (219933373076).

289521116524 is a wasteful number, since it uses less digits than its factorization.

289521116524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104253 (or 104251 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The spelling of 289521116524 in words is "two hundred eighty-nine billion, five hundred twenty-one million, one hundred sixteen thousand, five hundred twenty-four".