289439746496 has 112 divisors (see below), whose sum is σ = 598968576000. Its totient is φ = 138621957120.

The previous prime is 289439746459. The next prime is 289439746499. The reversal of 289439746496 is 694647934982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289439746499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81324365 + ... + 81327923.

Almost surely, 2^289439746496 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 289439746496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299484288000).

289439746496 is an abundant number, since it is smaller than the sum of its proper divisors (309528829504).

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

289439746496 is a wasteful number, since it uses less digits than its factorization.

289439746496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010 (or 4000 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 71.

The spelling of 289439746496 in words is "two hundred eighty-nine billion, four hundred thirty-nine million, seven hundred forty-six thousand, four hundred ninety-six".