2563943294976 has 192 divisors, whose sum is σ = 7906146393600. Its totient is φ = 723728252928.

The previous prime is 2563943294971. The next prime is 2563943294977. The reversal of 2563943294976 is 6794923493652.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 2563943294976.

It is not an unprimeable number, because it can be changed into a prime (2563943294971) 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, 3210535 + ... + 3928793.

It is an arithmetic number, because the mean of its divisors is an integer number (41177845800).

Almost surely, 2^{2563943294976} 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 2563943294976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3953073196800).

2563943294976 is an abundant number, since it is smaller than the sum of its proper divisors (5342203098624).

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

2563943294976 is an equidigital number, since it uses as much as digits as its factorization.

2563943294976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718374 (or 718354 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 69.

The spelling of 2563943294976 in words is "two trillion, five hundred sixty-three billion, nine hundred forty-three million, two hundred ninety-four thousand, nine hundred seventy-six".