9681979096814 has 8 divisors (see below), whose sum is σ = 15023760667560. Its totient is φ = 4674058874296.

The previous prime is 9681979096807. The next prime is 9681979096817. The reversal of 9681979096814 is 4186909791869.

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

It is a super-2 number, since 2×9681979096814² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681979096817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83465336984 + ... + 83465337099.

It is an arithmetic number, because the mean of its divisors is an integer number (1877970083445).

Almost surely, 2^{9681979096814} is an apocalyptic number.

9681979096814 is a deficient number, since it is larger than the sum of its proper divisors (5341781570746).

9681979096814 is a wasteful number, since it uses less digits than its factorization.

9681979096814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166930674114.

The product of its (nonzero) digits is 423263232, while the sum is 77.

The spelling of 9681979096814 in words is "nine trillion, six hundred eighty-one billion, nine hundred seventy-nine million, ninety-six thousand, eight hundred fourteen".