289031325216 has 96 divisors (see below), whose sum is σ = 784320638976. Its totient is φ = 93100320000.

The previous prime is 289031325181. The next prime is 289031325221. The reversal of 289031325216 is 612523130982.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×289031325216² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986141 + ... + 2126691.

It is an arithmetic number, because the mean of its divisors is an integer number (8170006656).

Almost surely, 2^289031325216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289031325216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392160319488).

289031325216 is an abundant number, since it is smaller than the sum of its proper divisors (495289313760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289031325216 is a wasteful number, since it uses less digits than its factorization.

289031325216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141286 (or 141278 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 289031325216 in words is "two hundred eighty-nine billion, thirty-one million, three hundred twenty-five thousand, two hundred sixteen".