13683441318 has 32 divisors (see below), whose sum is σ = 28825405440. Its totient is φ = 4318362720.

The previous prime is 13683441307. The next prime is 13683441319. The reversal of 13683441318 is 81314438631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13683441318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683441319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147771 + ... + 221817.

It is an arithmetic number, because the mean of its divisors is an integer number (900793920).

Almost surely, 2^13683441318 is an apocalyptic number.

13683441318 is an abundant number, since it is smaller than the sum of its proper divisors (15141964122).

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

13683441318 is a wasteful number, since it uses less digits than its factorization.

13683441318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75692.

The product of its digits is 165888, while the sum is 42.

Adding to 13683441318 its reverse (81314438631), we get a palindrome (94997879949).

The spelling of 13683441318 in words is "thirteen billion, six hundred eighty-three million, four hundred forty-one thousand, three hundred eighteen".