21033302999 has 8 divisors (see below), whose sum is σ = 21394264320. Its totient is φ = 20672490616.

The previous prime is 21033302957. The next prime is 21033303001. The reversal of 21033302999 is 99920333012.

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 21033302999 - 2²⁰ = 21032254423 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 (21033302929) 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, 269042 + ... + 338304.

It is an arithmetic number, because the mean of its divisors is an integer number (2674283040).

Almost surely, 2^21033302999 is an apocalyptic number.

21033302999 is a deficient number, since it is larger than the sum of its proper divisors (360961321).

21033302999 is an equidigital number, since it uses as much as digits as its factorization.

21033302999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74469.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 21033302999 in words is "twenty-one billion, thirty-three million, three hundred two thousand, nine hundred ninety-nine".