21410133433 has 8 divisors (see below), whose sum is σ = 23316136200. Its totient is φ = 19541140608.

The previous prime is 21410133389. The next prime is 21410133461. The reversal of 21410133433 is 33433101412.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 21408664489 = 1212^2 + 146317^2 .

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 21410133433 - 2¹³ = 21410125241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21410133398 and 21410133407.

It is not an unprimeable number, because it can be changed into a prime (21410133733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9251278 + ... + 9253591.

It is an arithmetic number, because the mean of its divisors is an integer number (2914517025).

Almost surely, 2^21410133433 is an apocalyptic number.

It is an amenable number.

21410133433 is a deficient number, since it is larger than the sum of its proper divisors (1906002767).

21410133433 is a wasteful number, since it uses less digits than its factorization.

21410133433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18504971.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21410133433 its reverse (33433101412), we get a palindrome (54843234845).

The spelling of 21410133433 in words is "twenty-one billion, four hundred ten million, one hundred thirty-three thousand, four hundred thirty-three".