13251443244453 has 16 divisors (see below), whose sum is σ = 20665018705600. Its totient is φ = 8369332575120.

The previous prime is 13251443244407. The next prime is 13251443244493. The reversal of 13251443244453 is 35444234415231.

It is a happy number.

13251443244453 is a `hidden beast` number, since 1 + 3 + 2 + 514 + 43 + 2 + 4 + 44 + 53 = 666.

13251443244453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13251443244453 - 2¹³ = 13251443236261 is a prime.

It is a super-2 number, since 2×13251443244453² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13251443244399 and 13251443244408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251443244493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12915636178 + ... + 12915637203.

It is an arithmetic number, because the mean of its divisors is an integer number (1291563669100).

Almost surely, 2^{13251443244453} is an apocalyptic number.

It is an amenable number.

13251443244453 is a deficient number, since it is larger than the sum of its proper divisors (7413575461147).

13251443244453 is a wasteful number, since it uses less digits than its factorization.

13251443244453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831273409 (or 25831273403 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

Adding to 13251443244453 its reverse (35444234415231), we get a palindrome (48695677659684).

The spelling of 13251443244453 in words is "thirteen trillion, two hundred fifty-one billion, four hundred forty-three million, two hundred forty-four thousand, four hundred fifty-three".