12628750039 has 2 divisors, whose sum is σ = 12628750040. Its totient is φ = 12628750038.

The previous prime is 12628750037. The next prime is 12628750061. The reversal of 12628750039 is 93005782621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12628750039 - 2¹ = 12628750037 is a prime.

Together with 12628750037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12628749977 and 12628750004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12628750037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6314375019 + 6314375020.

It is an arithmetic number, because the mean of its divisors is an integer number (6314375020).

Almost surely, 2^12628750039 is an apocalyptic number.

12628750039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12628750039 is an equidigital number, since it uses as much as digits as its factorization.

12628750039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 12628750039 in words is "twelve billion, six hundred twenty-eight million, seven hundred fifty thousand, thirty-nine".