12943738624 has 72 divisors (see below), whose sum is σ = 26258344112. Its totient is φ = 6366781440.

The previous prime is 12943738607. The next prime is 12943738637. The reversal of 12943738624 is 42683734921.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10670242 + ... + 10671454.

Almost surely, 2^12943738624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12943738624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13129172056).

12943738624 is an abundant number, since it is smaller than the sum of its proper divisors (13314605488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12943738624 is an equidigital number, since it uses as much as digits as its factorization.

12943738624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1859 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 12943738624 in words is "twelve billion, nine hundred forty-three million, seven hundred thirty-eight thousand, six hundred twenty-four".