12536333473 has 2 divisors, whose sum is σ = 12536333474. Its totient is φ = 12536333472.

The previous prime is 12536333461. The next prime is 12536333483. The reversal of 12536333473 is 37433363521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6362774289 + 6173559184 = 79767^2 + 78572^2 .

It is a cyclic number.

It is not a de Polignac number, because 12536333473 - 2⁵ = 12536333441 is a prime.

It is not a weakly prime, because it can be changed into another prime (12536333483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268166736 + 6268166737.

It is an arithmetic number, because the mean of its divisors is an integer number (6268166737).

Almost surely, 2^12536333473 is an apocalyptic number.

It is an amenable number.

12536333473 is a deficient number, since it is larger than the sum of its proper divisors (1).

12536333473 is an equidigital number, since it uses as much as digits as its factorization.

12536333473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 40.

Adding to 12536333473 its reverse (37433363521), we get a palindrome (49969696994).

The spelling of 12536333473 in words is "twelve billion, five hundred thirty-six million, three hundred thirty-three thousand, four hundred seventy-three".