12873823169 has 2 divisors, whose sum is σ = 12873823170. Its totient is φ = 12873823168.

The previous prime is 12873823153. The next prime is 12873823177. The reversal of 12873823169 is 96132837821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12771712144 + 102111025 = 113012^2 + 10105^2 .

It is a cyclic number.

It is not a de Polignac number, because 12873823169 - 2⁴ = 12873823153 is a prime.

It is a super-2 number, since 2×12873823169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12873823139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6436911584 + 6436911585.

It is an arithmetic number, because the mean of its divisors is an integer number (6436911585).

Almost surely, 2^12873823169 is an apocalyptic number.

It is an amenable number.

12873823169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12873823169 is an equidigital number, since it uses as much as digits as its factorization.

12873823169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The spelling of 12873823169 in words is "twelve billion, eight hundred seventy-three million, eight hundred twenty-three thousand, one hundred sixty-nine".