13227447109 has 2 divisors, whose sum is σ = 13227447110. Its totient is φ = 13227447108.

The previous prime is 13227447083. The next prime is 13227447119. The reversal of 13227447109 is 90174472231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11495056225 + 1732390884 = 107215^2 + 41622^2 .

It is an emirp because it is prime and its reverse (90174472231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13227447109 - 2⁹ = 13227446597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13227447119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613723554 + 6613723555.

It is an arithmetic number, because the mean of its divisors is an integer number (6613723555).

Almost surely, 2^13227447109 is an apocalyptic number.

It is an amenable number.

13227447109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13227447109 is an equidigital number, since it uses as much as digits as its factorization.

13227447109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 13227447109 in words is "thirteen billion, two hundred twenty-seven million, four hundred forty-seven thousand, one hundred nine".