13397181319 has 2 divisors, whose sum is σ = 13397181320. Its totient is φ = 13397181318.

The previous prime is 13397181299. The next prime is 13397181353. The reversal of 13397181319 is 91318179331.

It is a weak prime.

It is an emirp because it is prime and its reverse (91318179331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13397181319 - 2⁷ = 13397181191 is a prime.

It is a super-2 number, since 2×13397181319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13397181379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6698590659 + 6698590660.

It is an arithmetic number, because the mean of its divisors is an integer number (6698590660).

Almost surely, 2^13397181319 is an apocalyptic number.

13397181319 is a deficient number, since it is larger than the sum of its proper divisors (1).

13397181319 is an equidigital number, since it uses as much as digits as its factorization.

13397181319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 46.

The spelling of 13397181319 in words is "thirteen billion, three hundred ninety-seven million, one hundred eighty-one thousand, three hundred nineteen".