13226188873 has 2 divisors, whose sum is σ = 13226188874. Its totient is φ = 13226188872.

The previous prime is 13226188861. The next prime is 13226188889. The reversal of 13226188873 is 37888162231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12871356304 + 354832569 = 113452^2 + 18837^2 .

It is a cyclic number.

It is not a de Polignac number, because 13226188873 - 2²¹ = 13224091721 is a prime.

It is not a weakly prime, because it can be changed into another prime (13226180873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613094436 + 6613094437.

It is an arithmetic number, because the mean of its divisors is an integer number (6613094437).

Almost surely, 2^13226188873 is an apocalyptic number.

It is an amenable number.

13226188873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226188873 is an equidigital number, since it uses as much as digits as its factorization.

13226188873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The spelling of 13226188873 in words is "thirteen billion, two hundred twenty-six million, one hundred eighty-eight thousand, eight hundred seventy-three".