13213455191 has 2 divisors, whose sum is σ = 13213455192. Its totient is φ = 13213455190.

The previous prime is 13213455181. The next prime is 13213455217. The reversal of 13213455191 is 19155431231.

It is a weak prime.

It is an emirp because it is prime and its reverse (19155431231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213455191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13213455181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606727595 + 6606727596.

It is an arithmetic number, because the mean of its divisors is an integer number (6606727596).

Almost surely, 2^13213455191 is an apocalyptic number.

13213455191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213455191 is an equidigital number, since it uses as much as digits as its factorization.

13213455191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The spelling of 13213455191 in words is "thirteen billion, two hundred thirteen million, four hundred fifty-five thousand, one hundred ninety-one".