21068850233 has 8 divisors (see below), whose sum is σ = 21797086080. Its totient is φ = 20340729360.

The previous prime is 21068850221. The next prime is 21068850239. The reversal of 21068850233 is 33205886012.

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 21068850233 - 2³⁰ = 19995108409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21068850239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525488 + ... + 564158.

It is an arithmetic number, because the mean of its divisors is an integer number (2724635760).

Almost surely, 2^21068850233 is an apocalyptic number.

It is an amenable number.

21068850233 is a deficient number, since it is larger than the sum of its proper divisors (728235847).

21068850233 is a wasteful number, since it uses less digits than its factorization.

21068850233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57487.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 21068850233 in words is "twenty-one billion, sixty-eight million, eight hundred fifty thousand, two hundred thirty-three".