6821713067832 has 96 divisors (see below), whose sum is σ = 19979222543280. Its totient is φ = 2090279070720.

The previous prime is 6821713067831. The next prime is 6821713067839. The reversal of 6821713067832 is 2387603171286.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6821713067831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14895078 + ... + 15346229.

Almost surely, 2^{6821713067832} is an apocalyptic number.

It is an amenable number.

6821713067832 is an abundant number, since it is smaller than the sum of its proper divisors (13157509475448).

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

6821713067832 is a wasteful number, since it uses less digits than its factorization.

6821713067832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30241573 (or 30241566 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 6821713067832 in words is "six trillion, eight hundred twenty-one billion, seven hundred thirteen million, sixty-seven thousand, eight hundred thirty-two".