12989403107939 has 2 divisors, whose sum is σ = 12989403107940. Its totient is φ = 12989403107938.

The previous prime is 12989403107927. The next prime is 12989403108001. The reversal of 12989403107939 is 93970130498921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12989403107939 is a prime.

It is not a weakly prime, because it can be changed into another prime (12989403107839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494701553969 + 6494701553970.

It is an arithmetic number, because the mean of its divisors is an integer number (6494701553970).

Almost surely, 2^{12989403107939} is an apocalyptic number.

12989403107939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12989403107939 is an equidigital number, since it uses as much as digits as its factorization.

12989403107939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 65.

The spelling of 12989403107939 in words is "twelve trillion, nine hundred eighty-nine billion, four hundred three million, one hundred seven thousand, nine hundred thirty-nine".