689317085184 has 576 divisors, whose sum is σ = 2356326292320. Its totient is φ = 177570054144.

The previous prime is 689317085147. The next prime is 689317085243. The reversal of 689317085184 is 481580713986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16030629867 + ... + 16030629909.

Almost surely, 2^689317085184 is an apocalyptic number.

689317085184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689317085184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178163146160).

689317085184 is an abundant number, since it is smaller than the sum of its proper divisors (1667009207136).

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

689317085184 is an frugal number, since it uses more digits than its factorization.

689317085184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 689317085184 in words is "six hundred eighty-nine billion, three hundred seventeen million, eighty-five thousand, one hundred eighty-four".