13226436929 has 2 divisors, whose sum is σ = 13226436930. Its totient is φ = 13226436928.

The previous prime is 13226436919. The next prime is 13226436941. The reversal of 13226436929 is 92963462231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13093080625 + 133356304 = 114425^2 + 11548^2 .

It is an emirp because it is prime and its reverse (92963462231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13226436929 - 2⁸ = 13226436673 is a prime.

It is not a weakly prime, because it can be changed into another prime (13226436919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613218464 + 6613218465.

It is an arithmetic number, because the mean of its divisors is an integer number (6613218465).

Almost surely, 2^13226436929 is an apocalyptic number.

It is an amenable number.

13226436929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226436929 is an equidigital number, since it uses as much as digits as its factorization.

13226436929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 47.

The spelling of 13226436929 in words is "thirteen billion, two hundred twenty-six million, four hundred thirty-six thousand, nine hundred twenty-nine".