13531202453 has 2 divisors, whose sum is σ = 13531202454. Its totient is φ = 13531202452.

The previous prime is 13531202449. The next prime is 13531202459. The reversal of 13531202453 is 35420213531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12783015844 + 748186609 = 113062^2 + 27353^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531202453 - 2² = 13531202449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531202459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765601226 + 6765601227.

It is an arithmetic number, because the mean of its divisors is an integer number (6765601227).

Almost surely, 2^13531202453 is an apocalyptic number.

It is an amenable number.

13531202453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531202453 is an equidigital number, since it uses as much as digits as its factorization.

13531202453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13531202453 its reverse (35420213531), we get a palindrome (48951415984).

The spelling of 13531202453 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, four hundred fifty-three".