13966226106281 has 2 divisors, whose sum is σ = 13966226106282. Its totient is φ = 13966226106280.

The previous prime is 13966226106263. The next prime is 13966226106331. The reversal of 13966226106281 is 18260162266931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12584933625625 + 1381292480656 = 3547525^2 + 1175284^2 .

It is a cyclic number.

It is not a de Polignac number, because 13966226106281 - 2³⁴ = 13949046237097 is a prime.

It is a super-2 number, since 2×13966226106281² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13966226106221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6983113053140 + 6983113053141.

It is an arithmetic number, because the mean of its divisors is an integer number (6983113053141).

Almost surely, 2^{13966226106281} is an apocalyptic number.

It is an amenable number.

13966226106281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13966226106281 is an equidigital number, since it uses as much as digits as its factorization.

13966226106281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 13966226106281 in words is "thirteen trillion, nine hundred sixty-six billion, two hundred twenty-six million, one hundred six thousand, two hundred eighty-one".