13253303641 has 4 divisors (see below), whose sum is σ = 13320579492. Its totient is φ = 13186027792.

The previous prime is 13253303627. The next prime is 13253303671. The reversal of 13253303641 is 14630335231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14630335231 = 109 ⋅134223259.

It can be written as a sum of positive squares in 2 ways, for example, as 11369743641 + 1883560000 = 106629^2 + 43400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13253303641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13253303611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33637630 + ... + 33638023.

It is an arithmetic number, because the mean of its divisors is an integer number (3330144873).

Almost surely, 2^13253303641 is an apocalyptic number.

It is an amenable number.

13253303641 is a deficient number, since it is larger than the sum of its proper divisors (67275851).

13253303641 is an equidigital number, since it uses as much as digits as its factorization.

13253303641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67275850.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 13253303641 its reverse (14630335231), we get a palindrome (27883638872).

The spelling of 13253303641 in words is "thirteen billion, two hundred fifty-three million, three hundred three thousand, six hundred forty-one".