12643313604373 has 8 divisors (see below), whose sum is σ = 13387125735360. Its totient is φ = 11899511229120.

The previous prime is 12643313604367. The next prime is 12643313604431. The reversal of 12643313604373 is 37340631334621.

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 12643313604373 - 2²¹ = 12643311507221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643313604343) 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, 318358 + ... + 5038648.

It is an arithmetic number, because the mean of its divisors is an integer number (1673390716920).

Almost surely, 2^{12643313604373} is an apocalyptic number.

It is an amenable number.

12643313604373 is a deficient number, since it is larger than the sum of its proper divisors (743812130987).

12643313604373 is a wasteful number, since it uses less digits than its factorization.

12643313604373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877867.

The product of its (nonzero) digits is 1959552, while the sum is 46.

Adding to 12643313604373 its reverse (37340631334621), we get a palindrome (49983944938994).

The spelling of 12643313604373 in words is "twelve trillion, six hundred forty-three billion, three hundred thirteen million, six hundred four thousand, three hundred seventy-three".