13443252636 has 24 divisors (see below), whose sum is σ = 34219188864. Its totient is φ = 4073712880.

The previous prime is 13443252631. The next prime is 13443252643. The reversal of 13443252636 is 63625234431.

It is a junction number, because it is equal to n+sod(n) for n = 13443252594 and 13443252603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443252631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50921280 + ... + 50921543.

It is an arithmetic number, because the mean of its divisors is an integer number (1425799536).

Almost surely, 2^13443252636 is an apocalyptic number.

It is an amenable number.

13443252636 is an abundant number, since it is smaller than the sum of its proper divisors (20775936228).

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

13443252636 is a wasteful number, since it uses less digits than its factorization.

13443252636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101842841 (or 101842839 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The spelling of 13443252636 in words is "thirteen billion, four hundred forty-three million, two hundred fifty-two thousand, six hundred thirty-six".