13269263644 has 24 divisors (see below), whose sum is σ = 28579953248. Its totient is φ = 5249378880.

The previous prime is 13269263629. The next prime is 13269263663. The reversal of 13269263644 is 44636296231.

13269263644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13269263594 and 13269263603.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18226647 + ... + 18227374.

Almost surely, 2^13269263644 is an apocalyptic number.

13269263644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13269263644 is an abundant number, since it is smaller than the sum of its proper divisors (15310689604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13269263644 is a wasteful number, since it uses less digits than its factorization.

13269263644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36454045 (or 36454043 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 46.

The spelling of 13269263644 in words is "thirteen billion, two hundred sixty-nine million, two hundred sixty-three thousand, six hundred forty-four".