12943738688 has 14 divisors (see below), whose sum is σ = 25685231586. Its totient is φ = 6471869312.

The previous prime is 12943738673. The next prime is 12943738711. The reversal of 12943738688 is 88683734921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12725644864 + 218093824 = 112808^2 + 14768^2 .

It is a super-2 number, since 2×12943738688² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101122895 + ... + 101123022.

It is an arithmetic number, because the mean of its divisors is an integer number (1834659399).

Almost surely, 2^12943738688 is an apocalyptic number.

It is an amenable number.

12943738688 is a deficient number, since it is larger than the sum of its proper divisors (12741492898).

12943738688 is an equidigital number, since it uses as much as digits as its factorization.

12943738688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202245929 (or 202245919 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The spelling of 12943738688 in words is "twelve billion, nine hundred forty-three million, seven hundred thirty-eight thousand, six hundred eighty-eight".