12436417361 has 2 divisors, whose sum is σ = 12436417362. Its totient is φ = 12436417360.

The previous prime is 12436417321. The next prime is 12436417397. The reversal of 12436417361 is 16371463421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9223681600 + 3212735761 = 96040^2 + 56681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12436417361 - 2¹⁰ = 12436416337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12436417321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218208680 + 6218208681.

It is an arithmetic number, because the mean of its divisors is an integer number (6218208681).

Almost surely, 2^12436417361 is an apocalyptic number.

It is an amenable number.

12436417361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12436417361 is an equidigital number, since it uses as much as digits as its factorization.

12436417361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The spelling of 12436417361 in words is "twelve billion, four hundred thirty-six million, four hundred seventeen thousand, three hundred sixty-one".