6712847519721 has 48 divisors (see below), whose sum is σ = 10868117354496. Its totient is φ = 3609636436224.

The previous prime is 6712847519713. The next prime is 6712847519723. The reversal of 6712847519721 is 1279157482176.

It is not a de Polignac number, because 6712847519721 - 2³ = 6712847519713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6712847519723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35512560 + ... + 35701086.

It is an arithmetic number, because the mean of its divisors is an integer number (226419111552).

Almost surely, 2^{6712847519721} is an apocalyptic number.

It is an amenable number.

6712847519721 is a deficient number, since it is larger than the sum of its proper divisors (4155269834775).

6712847519721 is a wasteful number, since it uses less digits than its factorization.

6712847519721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194438 (or 194421 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 60.

The spelling of 6712847519721 in words is "six trillion, seven hundred twelve billion, eight hundred forty-seven million, five hundred nineteen thousand, seven hundred twenty-one".