12898008769 has 4 divisors (see below), whose sum is σ = 13314073600. Its totient is φ = 12481943940.

The previous prime is 12898008763. The next prime is 12898008779. The reversal of 12898008769 is 96780089821.

12898008769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96780089821 = 139 ⋅696259639.

It is a cyclic number.

It is not a de Polignac number, because 12898008769 - 2⁵ = 12898008737 is a prime.

It is a super-2 number, since 2×12898008769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12898008763) 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 in 3 ways as a sum of consecutive naturals, for example, 208032369 + ... + 208032430.

It is an arithmetic number, because the mean of its divisors is an integer number (3328518400).

Almost surely, 2^12898008769 is an apocalyptic number.

It is an amenable number.

12898008769 is a deficient number, since it is larger than the sum of its proper divisors (416064831).

12898008769 is an equidigital number, since it uses as much as digits as its factorization.

12898008769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416064830.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 12898008769 in words is "twelve billion, eight hundred ninety-eight million, eight thousand, seven hundred sixty-nine".