6996108828721 has 8 divisors (see below), whose sum is σ = 7326642308544. Its totient is φ = 6667771585200.

The previous prime is 6996108828697. The next prime is 6996108828733. The reversal of 6996108828721 is 1278288016996.

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

It is not a de Polignac number, because 6996108828721 - 2⁹ = 6996108828209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6996108828781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549052555 + ... + 549065296.

It is an arithmetic number, because the mean of its divisors is an integer number (915830288568).

Almost surely, 2^{6996108828721} is an apocalyptic number.

It is an amenable number.

6996108828721 is a deficient number, since it is larger than the sum of its proper divisors (330533479823).

6996108828721 is a wasteful number, since it uses less digits than its factorization.

6996108828721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098118151.

The product of its (nonzero) digits is 41803776, while the sum is 67.

The spelling of 6996108828721 in words is "six trillion, nine hundred ninety-six billion, one hundred eight million, eight hundred twenty-eight thousand, seven hundred twenty-one".