13683441349 has 2 divisors, whose sum is σ = 13683441350. Its totient is φ = 13683441348.

The previous prime is 13683441319. The next prime is 13683441407. The reversal of 13683441349 is 94314438631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7185952900 + 6497488449 = 84770^2 + 80607^2 .

It is a cyclic number.

It is not a de Polignac number, because 13683441349 - 2¹³ = 13683433157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13683441299 and 13683441308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13683441319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6841720674 + 6841720675.

It is an arithmetic number, because the mean of its divisors is an integer number (6841720675).

Almost surely, 2^13683441349 is an apocalyptic number.

It is an amenable number.

13683441349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13683441349 is an equidigital number, since it uses as much as digits as its factorization.

13683441349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 46.

The spelling of 13683441349 in words is "thirteen billion, six hundred eighty-three million, four hundred forty-one thousand, three hundred forty-nine".