13234647109 has 2 divisors, whose sum is σ = 13234647110. Its totient is φ = 13234647108.

The previous prime is 13234647103. The next prime is 13234647157. The reversal of 13234647109 is 90174643231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13193968225 + 40678884 = 114865^2 + 6378^2 .

It is a cyclic number.

It is not a de Polignac number, because 13234647109 - 2⁷ = 13234646981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13234647103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617323554 + 6617323555.

It is an arithmetic number, because the mean of its divisors is an integer number (6617323555).

Almost surely, 2^13234647109 is an apocalyptic number.

It is an amenable number.

13234647109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13234647109 is an equidigital number, since it uses as much as digits as its factorization.

13234647109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 13234647109 in words is "thirteen billion, two hundred thirty-four million, six hundred forty-seven thousand, one hundred nine".