13165447327 has 2 divisors, whose sum is σ = 13165447328. Its totient is φ = 13165447326.

The previous prime is 13165447307. The next prime is 13165447333. The reversal of 13165447327 is 72374456131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13165447327 - 2⁷ = 13165447199 is a prime.

It is a super-2 number, since 2×13165447327² (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 (13165447307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6582723663 + 6582723664.

It is an arithmetic number, because the mean of its divisors is an integer number (6582723664).

Almost surely, 2^13165447327 is an apocalyptic number.

13165447327 is a deficient number, since it is larger than the sum of its proper divisors (1).

13165447327 is an equidigital number, since it uses as much as digits as its factorization.

13165447327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The spelling of 13165447327 in words is "thirteen billion, one hundred sixty-five million, four hundred forty-seven thousand, three hundred twenty-seven".