12633244361 has 2 divisors, whose sum is σ = 12633244362. Its totient is φ = 12633244360.

The previous prime is 12633244321. The next prime is 12633244363. The reversal of 12633244361 is 16344233621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12333435136 + 299809225 = 111056^2 + 17315^2 .

It is an emirp because it is prime and its reverse (16344233621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12633244361 is a prime.

Together with 12633244363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12633244363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316622180 + 6316622181.

It is an arithmetic number, because the mean of its divisors is an integer number (6316622181).

Almost surely, 2^12633244361 is an apocalyptic number.

It is an amenable number.

12633244361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633244361 is an equidigital number, since it uses as much as digits as its factorization.

12633244361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

Adding to 12633244361 its reverse (16344233621), we get a palindrome (28977477982).

The spelling of 12633244361 in words is "twelve billion, six hundred thirty-three million, two hundred forty-four thousand, three hundred sixty-one".