8921151923999 has 8 divisors (see below), whose sum is σ = 10195705384608. Its totient is φ = 7646624259840.

The previous prime is 8921151923989. The next prime is 8921151924001. The reversal of 8921151923999 is 9993291511298.

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

It is a cyclic number.

It is not a de Polignac number, because 8921151923999 - 2⁸ = 8921151923743 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 (8921151923989) 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, 5702282 + ... + 7096359.

It is an arithmetic number, because the mean of its divisors is an integer number (1274463173076).

Almost surely, 2^{8921151923999} is an apocalyptic number.

8921151923999 is a deficient number, since it is larger than the sum of its proper divisors (1274553460609).

8921151923999 is a wasteful number, since it uses less digits than its factorization.

8921151923999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12898225.

The product of its digits is 28343520, while the sum is 68.

The spelling of 8921151923999 in words is "eight trillion, nine hundred twenty-one billion, one hundred fifty-one million, nine hundred twenty-three thousand, nine hundred ninety-nine".