689601303552 has 176 divisors, whose sum is σ = 2109001370112. Its totient is φ = 196242432000.

The previous prime is 689601303449. The next prime is 689601303577. The reversal of 689601303552 is 255303106986.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 5333623 + ... + 5461385.

Almost surely, 2^689601303552 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 689601303552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054500685056).

689601303552 is an abundant number, since it is smaller than the sum of its proper divisors (1419400066560).

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

689601303552 is a wasteful number, since it uses less digits than its factorization.

689601303552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128044 (or 128026 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 689601303552 in words is "six hundred eighty-nine billion, six hundred one million, three hundred three thousand, five hundred fifty-two".