10533454391 has 8 divisors (see below), whose sum is σ = 10548075264. Its totient is φ = 10518846840.

The previous prime is 10533454369. The next prime is 10533454411. The reversal of 10533454391 is 19345433501.

It is a happy number.

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 10533454391 - 2³⁰ = 9459712567 is a prime.

It is a super-2 number, since 2×10533454391² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533454301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140866 + ... + 4143408.

It is an arithmetic number, because the mean of its divisors is an integer number (1318509408).

Almost surely, 2^10533454391 is an apocalyptic number.

10533454391 is a deficient number, since it is larger than the sum of its proper divisors (14620873).

10533454391 is a wasteful number, since it uses less digits than its factorization.

10533454391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661.

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 10533454391 its reverse (19345433501), we get a palindrome (29878887892).

The spelling of 10533454391 in words is "ten billion, five hundred thirty-three million, four hundred fifty-four thousand, three hundred ninety-one".