13228893191 has 2 divisors, whose sum is σ = 13228893192. Its totient is φ = 13228893190.

The previous prime is 13228893131. The next prime is 13228893217. The reversal of 13228893191 is 19139882231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13228893191 - 2¹⁸ = 13228631047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13228893131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614446595 + 6614446596.

It is an arithmetic number, because the mean of its divisors is an integer number (6614446596).

Almost surely, 2^13228893191 is an apocalyptic number.

13228893191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228893191 is an equidigital number, since it uses as much as digits as its factorization.

13228893191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 47.

The spelling of 13228893191 in words is "thirteen billion, two hundred twenty-eight million, eight hundred ninety-three thousand, one hundred ninety-one".