13274966849 has 2 divisors, whose sum is σ = 13274966850. Its totient is φ = 13274966848.

The previous prime is 13274966843. The next prime is 13274966897. The reversal of 13274966849 is 94866947231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12773520400 + 501446449 = 113020^2 + 22393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13274966849 is a prime.

It is not a weakly prime, because it can be changed into another prime (13274966843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637483424 + 6637483425.

It is an arithmetic number, because the mean of its divisors is an integer number (6637483425).

Almost surely, 2^13274966849 is an apocalyptic number.

It is an amenable number.

13274966849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13274966849 is an equidigital number, since it uses as much as digits as its factorization.

13274966849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 59.

The spelling of 13274966849 in words is "thirteen billion, two hundred seventy-four million, nine hundred sixty-six thousand, eight hundred forty-nine".