12839889089 has 2 divisors, whose sum is σ = 12839889090. Its totient is φ = 12839889088.

The previous prime is 12839889079. The next prime is 12839889137. The reversal of 12839889089 is 98098893821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11471481025 + 1368408064 = 107105^2 + 36992^2 .

It is a cyclic number.

It is not a de Polignac number, because 12839889089 - 2⁸ = 12839888833 is a prime.

It is not a weakly prime, because it can be changed into another prime (12839889019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419944544 + 6419944545.

It is an arithmetic number, because the mean of its divisors is an integer number (6419944545).

Almost surely, 2^12839889089 is an apocalyptic number.

It is an amenable number.

12839889089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839889089 is an equidigital number, since it uses as much as digits as its factorization.

12839889089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 65.

The spelling of 12839889089 in words is "twelve billion, eight hundred thirty-nine million, eight hundred eighty-nine thousand, eighty-nine".