12946709569 has 8 divisors (see below), whose sum is σ = 13473351360. Its totient is φ = 12425414736.

The previous prime is 12946709549. The next prime is 12946709597. The reversal of 12946709569 is 96590764921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12946709569 - 2¹³ = 12946701377 is a prime.

It is a super-2 number, since 2×12946709569² (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 (12946709509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331799 + ... + 1341484.

It is an arithmetic number, because the mean of its divisors is an integer number (1684168920).

Almost surely, 2^12946709569 is an apocalyptic number.

It is an amenable number.

12946709569 is a deficient number, since it is larger than the sum of its proper divisors (526641791).

12946709569 is a wasteful number, since it uses less digits than its factorization.

12946709569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673479.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 12946709569 in words is "twelve billion, nine hundred forty-six million, seven hundred nine thousand, five hundred sixty-nine".