12709716479 has 4 divisors (see below), whose sum is σ = 12828498984. Its totient is φ = 12590933976.

The previous prime is 12709716431. The next prime is 12709716491. The reversal of 12709716479 is 97461790721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12709716479 - 2¹² = 12709712383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12709716479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12709716079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59391092 + ... + 59391305.

It is an arithmetic number, because the mean of its divisors is an integer number (3207124746).

Almost surely, 2^12709716479 is an apocalyptic number.

12709716479 is a deficient number, since it is larger than the sum of its proper divisors (118782505).

12709716479 is a wasteful number, since it uses less digits than its factorization.

12709716479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118782504.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The spelling of 12709716479 in words is "twelve billion, seven hundred nine million, seven hundred sixteen thousand, four hundred seventy-nine".