7002021811968 has 324 divisors, whose sum is σ = 21011771108328. Its totient is φ = 2328686807040.

The previous prime is 7002021811937. The next prime is 7002021811969. The reversal of 7002021811968 is 8691181202007.

It is a tau number, because it is divible by the number of its divisors (324).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7002021811969) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 774298455 + ... + 774307497.

Almost surely, 2^{7002021811968} 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 7002021811968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10505885554164).

7002021811968 is an abundant number, since it is smaller than the sum of its proper divisors (14009749296360).

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

7002021811968 is an frugal number, since it uses more digits than its factorization.

7002021811968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544 (or 9509 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 7002021811968 in words is "seven trillion, two billion, twenty-one million, eight hundred eleven thousand, nine hundred sixty-eight".