63968834304 has 324 divisors, whose sum is σ = 192828858768. Its totient is φ = 20392980480.

The previous prime is 63968834263. The next prime is 63968834323. The reversal of 63968834304 is 40343886936.

63968834304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 369761962 + ... + 369762134.

Almost surely, 2^63968834304 is an apocalyptic number.

63968834304 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 63968834304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96414429384).

63968834304 is an abundant number, since it is smaller than the sum of its proper divisors (128860024464).

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

63968834304 is a wasteful number, since it uses less digits than its factorization.

63968834304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 63968834304 in words is "sixty-three billion, nine hundred sixty-eight million, eight hundred thirty-four thousand, three hundred four".