12629627643 has 4 divisors (see below), whose sum is σ = 16839503528. Its totient is φ = 8419751760.

The previous prime is 12629627639. The next prime is 12629627669. The reversal of 12629627643 is 34672692621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12629627643 - 2² = 12629627639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12629627592 and 12629627601.

It is not an unprimeable number, because it can be changed into a prime (12629627623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104937938 + ... + 2104937943.

It is an arithmetic number, because the mean of its divisors is an integer number (4209875882).

Almost surely, 2^12629627643 is an apocalyptic number.

12629627643 is a deficient number, since it is larger than the sum of its proper divisors (4209875885).

12629627643 is an equidigital number, since it uses as much as digits as its factorization.

12629627643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209875884.

The product of its digits is 1306368, while the sum is 48.

The spelling of 12629627643 in words is "twelve billion, six hundred twenty-nine million, six hundred twenty-seven thousand, six hundred forty-three".