683528636823648 has 384 divisors, whose sum is σ = 2251928092409856. Its totient is φ = 176356040140800.

The previous prime is 683528636823601. The next prime is 683528636823691. The reversal of 683528636823648 is 846328636825386.

683528636823648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×683528636823648² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3935317861 + ... + 3935491547.

It is an arithmetic number, because the mean of its divisors is an integer number (5864396073984).

Almost surely, 2^{683528636823648} 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 683528636823648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125964046204928).

683528636823648 is an abundant number, since it is smaller than the sum of its proper divisors (1568399455586208).

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

683528636823648 is a wasteful number, since it uses less digits than its factorization.

683528636823648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177266 (or 177258 counting only the distinct ones).

The product of its digits is 11466178560, while the sum is 78.

The spelling of 683528636823648 in words is "six hundred eighty-three trillion, five hundred twenty-eight billion, six hundred thirty-six million, eight hundred twenty-three thousand, six hundred forty-eight".