13143771169 has 2 divisors, whose sum is σ = 13143771170. Its totient is φ = 13143771168.

The previous prime is 13143771133. The next prime is 13143771191. The reversal of 13143771169 is 96117734131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10585940544 + 2557830625 = 102888^2 + 50575^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143771169 - 2²⁵ = 13110216737 is a prime.

It is a super-2 number, since 2×13143771169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13143771469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571885584 + 6571885585.

It is an arithmetic number, because the mean of its divisors is an integer number (6571885585).

Almost surely, 2^13143771169 is an apocalyptic number.

It is an amenable number.

13143771169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143771169 is an equidigital number, since it uses as much as digits as its factorization.

13143771169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The spelling of 13143771169 in words is "thirteen billion, one hundred forty-three million, seven hundred seventy-one thousand, one hundred sixty-nine".