13211340453 has 12 divisors (see below), whose sum is σ = 19092478860. Its totient is φ = 8803207296.

The previous prime is 13211340379. The next prime is 13211340469. The reversal of 13211340453 is 35404311231.

It is a happy number.

13211340453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12415084929 + 796255524 = 111423^2 + 28218^2 .

It is not a de Polignac number, because 13211340453 - 2¹² = 13211336357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211340353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343476 + ... + 379997.

It is an arithmetic number, because the mean of its divisors is an integer number (1591039905).

Almost surely, 2^13211340453 is an apocalyptic number.

It is an amenable number.

13211340453 is a deficient number, since it is larger than the sum of its proper divisors (5881138407).

13211340453 is a wasteful number, since it uses less digits than its factorization.

13211340453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725508 (or 725505 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13211340453 its reverse (35404311231), we get a palindrome (48615651684).

The spelling of 13211340453 in words is "thirteen billion, two hundred eleven million, three hundred forty thousand, four hundred fifty-three".