12939730651 has 2 divisors, whose sum is σ = 12939730652. Its totient is φ = 12939730650.

The previous prime is 12939730649. The next prime is 12939730673. The reversal of 12939730651 is 15603793921.

12939730651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12939730651 - 2¹ = 12939730649 is a prime.

Together with 12939730649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12939730631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6469865325 + 6469865326.

It is an arithmetic number, because the mean of its divisors is an integer number (6469865326).

Almost surely, 2^12939730651 is an apocalyptic number.

12939730651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12939730651 is an equidigital number, since it uses as much as digits as its factorization.

12939730651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

It can be divided in two parts, 12939 and 730651, that added together give a triangular number (743590 = T₁₂₁₉).

The spelling of 12939730651 in words is "twelve billion, nine hundred thirty-nine million, seven hundred thirty thousand, six hundred fifty-one".