12944689351 has 8 divisors (see below), whose sum is σ = 14193164304. Its totient is φ = 11708161920.

The previous prime is 12944689327. The next prime is 12944689357. The reversal of 12944689351 is 15398644921.

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 12944689351 - 2⁷ = 12944689223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944689357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984610 + ... + 2988943.

It is an arithmetic number, because the mean of its divisors is an integer number (1774145538).

Almost surely, 2^12944689351 is an apocalyptic number.

12944689351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12944689351 is a deficient number, since it is larger than the sum of its proper divisors (1248474953).

12944689351 is a wasteful number, since it uses less digits than its factorization.

12944689351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973761.

The product of its digits is 1866240, while the sum is 52.

The spelling of 12944689351 in words is "twelve billion, nine hundred forty-four million, six hundred eighty-nine thousand, three hundred fifty-one".