6394880729216 has 192 divisors, whose sum is σ = 15446397058560. Its totient is φ = 2626496409600.

The previous prime is 6394880729191. The next prime is 6394880729231. The reversal of 6394880729216 is 6129270884936.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19866836 + ... + 20186156.

It is an arithmetic number, because the mean of its divisors is an integer number (80449984680).

Almost surely, 2^{6394880729216} 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 6394880729216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7723198529280).

6394880729216 is an abundant number, since it is smaller than the sum of its proper divisors (9051516329344).

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

6394880729216 is a wasteful number, since it uses less digits than its factorization.

6394880729216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319483 (or 319464 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 6394880729216 in words is "six trillion, three hundred ninety-four billion, eight hundred eighty million, seven hundred twenty-nine thousand, two hundred sixteen".