21132413033 has 16 divisors (see below), whose sum is σ = 21893136384. Its totient is φ = 20376798480.

The previous prime is 21132412993. The next prime is 21132413051. The reversal of 21132413033 is 33031423112.

It is not a de Polignac number, because 21132413033 - 2³⁴ = 3952543849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21132413333) 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, 14808266 + ... + 14809692.

It is an arithmetic number, because the mean of its divisors is an integer number (1368321024).

Almost surely, 2^21132413033 is an apocalyptic number.

It is an amenable number.

21132413033 is a deficient number, since it is larger than the sum of its proper divisors (760723351).

21132413033 is a wasteful number, since it uses less digits than its factorization.

21132413033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21132413033 its reverse (33031423112), we get a palindrome (54163836145).

The spelling of 21132413033 in words is "twenty-one billion, one hundred thirty-two million, four hundred thirteen thousand, thirty-three".