289528890242 has 16 divisors (see below), whose sum is σ = 436224579840. Its totient is φ = 144120798192.

The previous prime is 289528890229. The next prime is 289528890257. The reversal of 289528890242 is 242098825982.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10796783 + ... + 10823565.

It is an arithmetic number, because the mean of its divisors is an integer number (27264036240).

Almost surely, 2^289528890242 is an apocalyptic number.

289528890242 is a deficient number, since it is larger than the sum of its proper divisors (146695689598).

289528890242 is a wasteful number, since it uses less digits than its factorization.

289528890242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50617.

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 289528890242 in words is "two hundred eighty-nine billion, five hundred twenty-eight million, eight hundred ninety thousand, two hundred forty-two".