13531452453 has 6 divisors (see below), whose sum is σ = 19545431334. Its totient is φ = 9020968296.

The previous prime is 13531452439. The next prime is 13531452469. The reversal of 13531452453 is 35425413531.

13531452453 is a `hidden beast` number, since 13 + 53 + 145 + 2 + 453 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13502904804 + 28547649 = 116202^2 + 5343^2 .

It is not a de Polignac number, because 13531452453 - 2²⁰ = 13530403877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531452953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751747350 + ... + 751747367.

It is an arithmetic number, because the mean of its divisors is an integer number (3257571889).

Almost surely, 2^13531452453 is an apocalyptic number.

It is an amenable number.

13531452453 is a deficient number, since it is larger than the sum of its proper divisors (6013978881).

13531452453 is a wasteful number, since it uses less digits than its factorization.

13531452453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503494723 (or 1503494720 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 13531452453 its reverse (35425413531), we get a palindrome (48956865984).

The spelling of 13531452453 in words is "thirteen billion, five hundred thirty-one million, four hundred fifty-two thousand, four hundred fifty-three".