12669456579 has 32 divisors (see below), whose sum is σ = 18361728000. Its totient is φ = 7724071680.

The previous prime is 12669456571. The next prime is 12669456587. The reversal of 12669456579 is 97565496621.

It is an interprime number because it is at equal distance from previous prime (12669456571) and next prime (12669456587).

It is not a de Polignac number, because 12669456579 - 2³ = 12669456571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12669456571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3671647 + ... + 3675095.

It is an arithmetic number, because the mean of its divisors is an integer number (573804000).

Almost surely, 2^12669456579 is an apocalyptic number.

12669456579 is a deficient number, since it is larger than the sum of its proper divisors (5692271421).

12669456579 is a wasteful number, since it uses less digits than its factorization.

12669456579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315.

The product of its digits is 24494400, while the sum is 60.

The spelling of 12669456579 in words is "twelve billion, six hundred sixty-nine million, four hundred fifty-six thousand, five hundred seventy-nine".