13694196149 has 2 divisors, whose sum is σ = 13694196150. Its totient is φ = 13694196148.

The previous prime is 13694196137. The next prime is 13694196151. The reversal of 13694196149 is 94169149631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12112543249 + 1581652900 = 110057^2 + 39770^2 .

It is a cyclic number.

It is not a de Polignac number, because 13694196149 - 2²⁴ = 13677418933 is a prime.

It is a Sophie Germain prime.

Together with 13694196151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13694196149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13694196179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847098074 + 6847098075.

It is an arithmetic number, because the mean of its divisors is an integer number (6847098075).

Almost surely, 2^13694196149 is an apocalyptic number.

It is an amenable number.

13694196149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13694196149 is an equidigital number, since it uses as much as digits as its factorization.

13694196149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 53.

The spelling of 13694196149 in words is "thirteen billion, six hundred ninety-four million, one hundred ninety-six thousand, one hundred forty-nine".