12486889969 has 2 divisors, whose sum is σ = 12486889970. Its totient is φ = 12486889968.

The previous prime is 12486889913. The next prime is 12486890023. The reversal of 12486889969 is 96998868421.

12486889969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10666758400 + 1820131569 = 103280^2 + 42663^2 .

It is a cyclic number.

It is not a de Polignac number, because 12486889969 - 2¹⁹ = 12486365681 is a prime.

It is a super-2 number, since 2×12486889969² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12486889898 and 12486889907.

It is not a weakly prime, because it can be changed into another prime (12486889169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243444984 + 6243444985.

It is an arithmetic number, because the mean of its divisors is an integer number (6243444985).

Almost surely, 2^12486889969 is an apocalyptic number.

It is an amenable number.

12486889969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12486889969 is an equidigital number, since it uses as much as digits as its factorization.

12486889969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107495424, while the sum is 70.

The spelling of 12486889969 in words is "twelve billion, four hundred eighty-six million, eight hundred eighty-nine thousand, nine hundred sixty-nine".