21433030441 has 8 divisors (see below), whose sum is σ = 22016160320. Its totient is φ = 20850103728.

The previous prime is 21433030439. The next prime is 21433030471. The reversal of 21433030441 is 14403033412.

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 21433030441 - 2¹ = 21433030439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21433030471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176740 + ... + 272218.

It is an arithmetic number, because the mean of its divisors is an integer number (2752020040).

Almost surely, 2^21433030441 is an apocalyptic number.

It is an amenable number.

21433030441 is a deficient number, since it is larger than the sum of its proper divisors (583129879).

21433030441 is an equidigital number, since it uses as much as digits as its factorization.

21433030441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101583.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21433030441 its reverse (14403033412), we get a palindrome (35836063853).

The spelling of 21433030441 in words is "twenty-one billion, four hundred thirty-three million, thirty thousand, four hundred forty-one".