683885494864 has 320 divisors, whose sum is σ = 1614896640000. Its totient is φ = 276479723520.

The previous prime is 683885494829. The next prime is 683885494867. The reversal of 683885494864 is 468494588386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683885494867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1804447027 + ... + 1804447405.

It is an arithmetic number, because the mean of its divisors is an integer number (5046552000).

Almost surely, 2^683885494864 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 683885494864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807448320000).

683885494864 is an abundant number, since it is smaller than the sum of its proper divisors (931011145136).

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

683885494864 is a wasteful number, since it uses less digits than its factorization.

683885494864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 700 counting only the distinct ones).

The product of its digits is 1274019840, while the sum is 73.

The spelling of 683885494864 in words is "six hundred eighty-three billion, eight hundred eighty-five million, four hundred ninety-four thousand, eight hundred sixty-four".