13613106253 has 4 divisors (see below), whose sum is σ = 14082523740. Its totient is φ = 13143688768.

The previous prime is 13613106239. The next prime is 13613106259. The reversal of 13613106253 is 35260131631.

13613106253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35260131631 = 31 ⋅1137423601.

It can be written as a sum of positive squares in 2 ways, for example, as 8194232484 + 5418873769 = 90522^2 + 73613^2 .

It is a cyclic number.

It is not a de Polignac number, because 13613106253 - 2⁹ = 13613105741 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 (13613106259) 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 3 ways as a sum of consecutive naturals, for example, 234708700 + ... + 234708757.

It is an arithmetic number, because the mean of its divisors is an integer number (3520630935).

Almost surely, 2^13613106253 is an apocalyptic number.

It is an amenable number.

13613106253 is a deficient number, since it is larger than the sum of its proper divisors (469417487).

13613106253 is an equidigital number, since it uses as much as digits as its factorization.

13613106253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469417486.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 13613106253 its reverse (35260131631), we get a palindrome (48873237884).

The spelling of 13613106253 in words is "thirteen billion, six hundred thirteen million, one hundred six thousand, two hundred fifty-three".