13734548209 has 2 divisors, whose sum is σ = 13734548210. Its totient is φ = 13734548208.

The previous prime is 13734548189. The next prime is 13734548237. The reversal of 13734548209 is 90284543731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10318496400 + 3416051809 = 101580^2 + 58447^2 .

It is a cyclic number.

It is not a de Polignac number, because 13734548209 - 2²⁵ = 13700993777 is a prime.

It is not a weakly prime, because it can be changed into another prime (13734548809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6867274104 + 6867274105.

It is an arithmetic number, because the mean of its divisors is an integer number (6867274105).

Almost surely, 2^13734548209 is an apocalyptic number.

It is an amenable number.

13734548209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13734548209 is an equidigital number, since it uses as much as digits as its factorization.

13734548209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 13734548209 in words is "thirteen billion, seven hundred thirty-four million, five hundred forty-eight thousand, two hundred nine".