6913944910656 has 672 divisors, whose sum is σ = 24033012640000. Its totient is φ = 1969961140224.

The previous prime is 6913944910637. The next prime is 6913944910667. The reversal of 6913944910656 is 6560194493196.

6913944910656 is a `hidden beast` number, since 6 + 9 + 1 + 3 + 94 + 491 + 0 + 6 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6913944910593 and 6913944910602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2181741840 + ... + 2181745008.

Almost surely, 2^{6913944910656} 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 6913944910656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12016506320000).

6913944910656 is an abundant number, since it is smaller than the sum of its proper divisors (17119067729344).

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

6913944910656 is an equidigital number, since it uses as much as digits as its factorization.

6913944910656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 6913944910656 in words is "six trillion, nine hundred thirteen billion, nine hundred forty-four million, nine hundred ten thousand, six hundred fifty-six".