21241833883 has 4 divisors (see below), whose sum is σ = 22359825160. Its totient is φ = 20123842608.

The previous prime is 21241833797. The next prime is 21241833901. The reversal of 21241833883 is 38833814212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21241833883 - 2²¹ = 21239736731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21241833383) 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, 558995610 + ... + 558995647.

It is an arithmetic number, because the mean of its divisors is an integer number (5589956290).

Almost surely, 2^21241833883 is an apocalyptic number.

21241833883 is a deficient number, since it is larger than the sum of its proper divisors (1117991277).

21241833883 is a wasteful number, since it uses less digits than its factorization.

21241833883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117991276.

The product of its digits is 221184, while the sum is 43.

The spelling of 21241833883 in words is "twenty-one billion, two hundred forty-one million, eight hundred thirty-three thousand, eight hundred eighty-three".