13734639109 has 2 divisors, whose sum is σ = 13734639110. Its totient is φ = 13734639108.

The previous prime is 13734639103. The next prime is 13734639119. The reversal of 13734639109 is 90193643731.

13734639109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8387812225 + 5346826884 = 91585^2 + 73122^2 .

It is an emirp because it is prime and its reverse (90193643731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13734639109 - 2¹⁷ = 13734508037 is a prime.

It is a super-2 number, since 2×13734639109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13734639103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6867319554 + 6867319555.

It is an arithmetic number, because the mean of its divisors is an integer number (6867319555).

Almost surely, 2^13734639109 is an apocalyptic number.

It is an amenable number.

13734639109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13734639109 is an equidigital number, since it uses as much as digits as its factorization.

13734639109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 13734639109 in words is "thirteen billion, seven hundred thirty-four million, six hundred thirty-nine thousand, one hundred nine".