13522172453 has 16 divisors (see below), whose sum is σ = 15104880000. Its totient is φ = 12029939712.

The previous prime is 13522172399. The next prime is 13522172471. The reversal of 13522172453 is 35427122531.

It is a cyclic number.

It is not a de Polignac number, because 13522172453 - 2³² = 9227205157 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 (13522175453) 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, 98408 + ... + 191646.

It is an arithmetic number, because the mean of its divisors is an integer number (944055000).

Almost surely, 2^13522172453 is an apocalyptic number.

It is an amenable number.

13522172453 is a deficient number, since it is larger than the sum of its proper divisors (1582707547).

13522172453 is a wasteful number, since it uses less digits than its factorization.

13522172453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93724.

The product of its digits is 50400, while the sum is 35.

Adding to 13522172453 its reverse (35427122531), we get a palindrome (48949294984).

The spelling of 13522172453 in words is "thirteen billion, five hundred twenty-two million, one hundred seventy-two thousand, four hundred fifty-three".