13683619249 has 2 divisors, whose sum is σ = 13683619250. Its totient is φ = 13683619248.

The previous prime is 13683619199. The next prime is 13683619283. The reversal of 13683619249 is 94291638631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13601390625 + 82228624 = 116625^2 + 9068^2 .

It is a cyclic number.

It is not a de Polignac number, because 13683619249 - 2⁷ = 13683619121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13683619196 and 13683619205.

It is not a weakly prime, because it can be changed into another prime (13683619049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6841809624 + 6841809625.

It is an arithmetic number, because the mean of its divisors is an integer number (6841809625).

Almost surely, 2^13683619249 is an apocalyptic number.

It is an amenable number.

13683619249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13683619249 is an equidigital number, since it uses as much as digits as its factorization.

13683619249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 52.

The spelling of 13683619249 in words is "thirteen billion, six hundred eighty-three million, six hundred nineteen thousand, two hundred forty-nine".