10453133521 has 4 divisors (see below), whose sum is σ = 10453822272. Its totient is φ = 10452444772.

The previous prime is 10453133513. The next prime is 10453133597. The reversal of 10453133521 is 12533135401.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 10453133521 - 2³ = 10453133513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10453133521.

It is not an unprimeable number, because it can be changed into a prime (10453133021) 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, 321085 + ... + 352138.

It is an arithmetic number, because the mean of its divisors is an integer number (2613455568).

Almost surely, 2^10453133521 is an apocalyptic number.

It is an amenable number.

10453133521 is a deficient number, since it is larger than the sum of its proper divisors (688751).

10453133521 is an equidigital number, since it uses as much as digits as its factorization.

10453133521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688750.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 10453133521 its reverse (12533135401), we get a palindrome (22986268922).

The spelling of 10453133521 in words is "ten billion, four hundred fifty-three million, one hundred thirty-three thousand, five hundred twenty-one".