12533237413 has 2 divisors, whose sum is σ = 12533237414. Its totient is φ = 12533237412.

The previous prime is 12533237377. The next prime is 12533237417. The reversal of 12533237413 is 31473233521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10928193444 + 1605043969 = 104538^2 + 40063^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533237413 - 2⁹ = 12533236901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12533237417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266618706 + 6266618707.

It is an arithmetic number, because the mean of its divisors is an integer number (6266618707).

Almost surely, 2^12533237413 is an apocalyptic number.

It is an amenable number.

12533237413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533237413 is an equidigital number, since it uses as much as digits as its factorization.

12533237413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The spelling of 12533237413 in words is "twelve billion, five hundred thirty-three million, two hundred thirty-seven thousand, four hundred thirteen".