21024443033 has 16 divisors (see below), whose sum is σ = 23204206080. Its totient is φ = 18889622400.

The previous prime is 21024442979. The next prime is 21024443047. The reversal of 21024443033 is 33034442012.

It is not a de Polignac number, because 21024443033 - 2¹⁶ = 21024377497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21024442993 and 21024443011.

It is not an unprimeable number, because it can be changed into a prime (21024445033) 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 15 ways as a sum of consecutive naturals, for example, 3097103 + ... + 3103883.

It is an arithmetic number, because the mean of its divisors is an integer number (1450262880).

Almost surely, 2^21024443033 is an apocalyptic number.

It is an amenable number.

21024443033 is a deficient number, since it is larger than the sum of its proper divisors (2179763047).

21024443033 is a wasteful number, since it uses less digits than its factorization.

21024443033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 21024443033 its reverse (33034442012), we get a palindrome (54058885045).

The spelling of 21024443033 in words is "twenty-one billion, twenty-four million, four hundred forty-three thousand, thirty-three".