12425644939 has 2 divisors, whose sum is σ = 12425644940. Its totient is φ = 12425644938.

The previous prime is 12425644927. The next prime is 12425645017. The reversal of 12425644939 is 93944652421.

It is a weak prime.

It is an emirp because it is prime and its reverse (93944652421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12425644939 - 2¹¹ = 12425642891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12425644892 and 12425644901.

It is not a weakly prime, because it can be changed into another prime (12425644919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212822469 + 6212822470.

It is an arithmetic number, because the mean of its divisors is an integer number (6212822470).

Almost surely, 2^12425644939 is an apocalyptic number.

12425644939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425644939 is an equidigital number, since it uses as much as digits as its factorization.

12425644939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The spelling of 12425644939 in words is "twelve billion, four hundred twenty-five million, six hundred forty-four thousand, nine hundred thirty-nine".