6984617116421 has 8 divisors (see below), whose sum is σ = 8101560152640. Its totient is φ = 5897459227968.

The previous prime is 6984617116381. The next prime is 6984617116429. The reversal of 6984617116421 is 1246117164896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6984617116421 - 2²² = 6984612922117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984617116429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7446286436 + ... + 7446287373.

It is an arithmetic number, because the mean of its divisors is an integer number (1012695019080).

Almost surely, 2^{6984617116421} is an apocalyptic number.

It is an amenable number.

6984617116421 is a deficient number, since it is larger than the sum of its proper divisors (1116943036219).

6984617116421 is a wasteful number, since it uses less digits than its factorization.

6984617116421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892573883.

The product of its digits is 3483648, while the sum is 56.

The spelling of 6984617116421 in words is "six trillion, nine hundred eighty-four billion, six hundred seventeen million, one hundred sixteen thousand, four hundred twenty-one".