13678671441109 has 2 divisors, whose sum is σ = 13678671441110. Its totient is φ = 13678671441108.

The previous prime is 13678671441107. The next prime is 13678671441139. The reversal of 13678671441109 is 90114417687631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12814273568209 + 864397872900 = 3579703^2 + 929730^2 .

It is a cyclic number.

It is not a de Polignac number, because 13678671441109 - 2¹ = 13678671441107 is a prime.

Together with 13678671441107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13678671441103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6839335720554 + 6839335720555.

It is an arithmetic number, because the mean of its divisors is an integer number (6839335720555).

Almost surely, 2^{13678671441109} is an apocalyptic number.

It is an amenable number.

13678671441109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13678671441109 is an equidigital number, since it uses as much as digits as its factorization.

13678671441109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 58.

It can be divided in two parts, 1367867 and 1441109, that added together give a square (2808976 = 1676²).

The spelling of 13678671441109 in words is "thirteen trillion, six hundred seventy-eight billion, six hundred seventy-one million, four hundred forty-one thousand, one hundred nine".