13531013453 has 2 divisors, whose sum is σ = 13531013454. Its totient is φ = 13531013452.

The previous prime is 13531013437. The next prime is 13531013491. The reversal of 13531013453 is 35431013531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13345563529 + 185449924 = 115523^2 + 13618^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531013453 - 2⁴ = 13531013437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531013653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765506726 + 6765506727.

It is an arithmetic number, because the mean of its divisors is an integer number (6765506727).

Almost surely, 2^13531013453 is an apocalyptic number.

It is an amenable number.

13531013453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531013453 is an equidigital number, since it uses as much as digits as its factorization.

13531013453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 13531013453 its reverse (35431013531), we get a palindrome (48962026984).

The spelling of 13531013453 in words is "thirteen billion, five hundred thirty-one million, thirteen thousand, four hundred fifty-three".