13466272189 has 2 divisors, whose sum is σ = 13466272190. Its totient is φ = 13466272188.

The previous prime is 13466272133. The next prime is 13466272199. The reversal of 13466272189 is 98127266431.

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., 12162340089 + 1303932100 = 110283^2 + 36110^2 .

It is a cyclic number.

It is not a de Polignac number, because 13466272189 - 2¹⁵ = 13466239421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13466272199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6733136094 + 6733136095.

It is an arithmetic number, because the mean of its divisors is an integer number (6733136095).

Almost surely, 2^13466272189 is an apocalyptic number.

It is an amenable number.

13466272189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13466272189 is an equidigital number, since it uses as much as digits as its factorization.

13466272189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The spelling of 13466272189 in words is "thirteen billion, four hundred sixty-six million, two hundred seventy-two thousand, one hundred eighty-nine".