689379914560 has 224 divisors, whose sum is σ = 1802155115520. Its totient is φ = 250048512000.

The previous prime is 689379914519. The next prime is 689379914563. The reversal of 689379914560 is 65419973986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689379914563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38609635 + ... + 38627485.

Almost surely, 2^689379914560 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 689379914560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901077557760).

689379914560 is an abundant number, since it is smaller than the sum of its proper divisors (1112775200960).

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

689379914560 is a wasteful number, since it uses less digits than its factorization.

689379914560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18145 (or 18135 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 689379914560 in words is "six hundred eighty-nine billion, three hundred seventy-nine million, nine hundred fourteen thousand, five hundred sixty".