7643941056 has 112 divisors (see below), whose sum is σ = 22500518880. Its totient is φ = 2544721920.

The previous prime is 7643941051. The next prime is 7643941079. The reversal of 7643941056 is 6501493467.

It is not an unprimeable number, because it can be changed into a prime (7643941051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616776 + ... + 1621496.

It is an arithmetic number, because the mean of its divisors is an integer number (200897490).

Almost surely, 2^7643941056 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 7643941056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11250259440).

7643941056 is an abundant number, since it is smaller than the sum of its proper divisors (14856577824).

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

7643941056 is a wasteful number, since it uses less digits than its factorization.

7643941056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679 (or 5663 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 7643941056 is about 87429.6348842885. The cubic root of 7643941056 is about 1969.8770016055.

The spelling of 7643941056 in words is "seven billion, six hundred forty-three million, nine hundred forty-one thousand, fifty-six".