12604553733 has 4 divisors (see below), whose sum is σ = 16806071648. Its totient is φ = 8403035820.

The previous prime is 12604553657. The next prime is 12604553737. The reversal of 12604553733 is 33735540621.

12604553733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33735540621 = 3 ⋅11245180207.

It is not a de Polignac number, because 12604553733 - 2²⁰ = 12603505157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12604553691 and 12604553700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604553737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100758953 + ... + 2100758958.

It is an arithmetic number, because the mean of its divisors is an integer number (4201517912).

Almost surely, 2^12604553733 is an apocalyptic number.

It is an amenable number.

12604553733 is a deficient number, since it is larger than the sum of its proper divisors (4201517915).

12604553733 is an equidigital number, since it uses as much as digits as its factorization.

12604553733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201517914.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 12604553733 in words is "twelve billion, six hundred four million, five hundred fifty-three thousand, seven hundred thirty-three".