14997921699984 has 40 divisors (see below), whose sum is σ = 38745171653280. Its totient is φ = 4999237479168.

The previous prime is 14997921699983. The next prime is 14997921699991. The reversal of 14997921699984 is 48999612979941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14997921699984.

It is not an unprimeable number, because it can be changed into a prime (14997921699983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355299 + ... + 5642045.

It is an arithmetic number, because the mean of its divisors is an integer number (968629291332).

Almost surely, 2^{14997921699984} is an apocalyptic number.

It is an amenable number.

14997921699984 is an abundant number, since it is smaller than the sum of its proper divisors (23747249953296).

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

14997921699984 is a wasteful number, since it uses less digits than its factorization.

14997921699984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359647 (or 4359641 counting only the distinct ones).

The product of its digits is 5714053632, while the sum is 87.

The spelling of 14997921699984 in words is "fourteen trillion, nine hundred ninety-seven billion, nine hundred twenty-one million, six hundred ninety-nine thousand, nine hundred eighty-four".