12663253433 has 8 divisors (see below), whose sum is σ = 12781883400. Its totient is φ = 12544668288.

The previous prime is 12663253411. The next prime is 12663253469. The reversal of 12663253433 is 33435236621.

It can be written as a sum of positive squares in 4 ways, for example, as 2891535529 + 9771717904 = 53773^2 + 98852^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12663253433 - 2⁸ = 12663253177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12683253433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896933 + ... + 910941.

It is an arithmetic number, because the mean of its divisors is an integer number (1597735425).

Almost surely, 2^12663253433 is an apocalyptic number.

It is an amenable number.

12663253433 is a deficient number, since it is larger than the sum of its proper divisors (118629967).

12663253433 is a wasteful number, since it uses less digits than its factorization.

12663253433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22411.

The product of its digits is 233280, while the sum is 38.

The spelling of 12663253433 in words is "twelve billion, six hundred sixty-three million, two hundred fifty-three thousand, four hundred thirty-three".