10421441533 has 4 divisors (see below), whose sum is σ = 10428766528. Its totient is φ = 10414116540.

The previous prime is 10421441521. The next prime is 10421441543. The reversal of 10421441533 is 33514412401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33514412401 = 151 ⋅221949751.

It is a cyclic number.

It is not a de Polignac number, because 10421441533 - 2⁹ = 10421441021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421441543) 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, 3660363 + ... + 3663208.

It is an arithmetic number, because the mean of its divisors is an integer number (2607191632).

Almost surely, 2^10421441533 is an apocalyptic number.

It is an amenable number.

10421441533 is a deficient number, since it is larger than the sum of its proper divisors (7324995).

10421441533 is an equidigital number, since it uses as much as digits as its factorization.

10421441533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324994.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 10421441533 its reverse (33514412401), we get a palindrome (43935853934).

The spelling of 10421441533 in words is "ten billion, four hundred twenty-one million, four hundred forty-one thousand, five hundred thirty-three".