12841655369 has 2 divisors, whose sum is σ = 12841655370. Its totient is φ = 12841655368.

The previous prime is 12841655287. The next prime is 12841655429. The reversal of 12841655369 is 96355614821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10813504144 + 2028151225 = 103988^2 + 45035^2 .

It is an emirp because it is prime and its reverse (96355614821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12841655369 - 2¹⁶ = 12841589833 is a prime.

It is a super-2 number, since 2×12841655369² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12841625369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6420827684 + 6420827685.

It is an arithmetic number, because the mean of its divisors is an integer number (6420827685).

Almost surely, 2^12841655369 is an apocalyptic number.

It is an amenable number.

12841655369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12841655369 is an equidigital number, since it uses as much as digits as its factorization.

12841655369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The spelling of 12841655369 in words is "twelve billion, eight hundred forty-one million, six hundred fifty-five thousand, three hundred sixty-nine".