12479630689 has 4 divisors (see below), whose sum is σ = 12600792256. Its totient is φ = 12358469124.

The previous prime is 12479630671. The next prime is 12479630699. The reversal of 12479630689 is 98603697421.

12479630689 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.

It is a cyclic number.

It is not a de Polignac number, because 12479630689 - 2⁷ = 12479630561 is a prime.

It is a super-2 number, since 2×12479630689² (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 (12479630699) 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, 60580629 + ... + 60580834.

It is an arithmetic number, because the mean of its divisors is an integer number (3150198064).

Almost surely, 2^12479630689 is an apocalyptic number.

It is an amenable number.

12479630689 is a deficient number, since it is larger than the sum of its proper divisors (121161567).

12479630689 is a wasteful number, since it uses less digits than its factorization.

12479630689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121161566.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 12479630689 in words is "twelve billion, four hundred seventy-nine million, six hundred thirty thousand, six hundred eighty-nine".