12689024939 has 2 divisors, whose sum is σ = 12689024940. Its totient is φ = 12689024938.

The previous prime is 12689024897. The next prime is 12689024963. The reversal of 12689024939 is 93942098621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12689024939 - 2¹⁶ = 12688959403 is a prime.

It is a super-2 number, since 2×12689024939² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12689026939) 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 as a sum of consecutive naturals, namely, 6344512469 + 6344512470.

It is an arithmetic number, because the mean of its divisors is an integer number (6344512470).

Almost surely, 2^12689024939 is an apocalyptic number.

12689024939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12689024939 is an equidigital number, since it uses as much as digits as its factorization.

12689024939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 12689024939 in words is "twelve billion, six hundred eighty-nine million, twenty-four thousand, nine hundred thirty-nine".