12847509689 has 8 divisors (see below), whose sum is σ = 14685249600. Its totient is φ = 11010365136.

The previous prime is 12847509677. The next prime is 12847509713. The reversal of 12847509689 is 98690574821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12847509689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12847509629) 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, 101594 + ... + 189779.

It is an arithmetic number, because the mean of its divisors is an integer number (1835656200).

Almost surely, 2^12847509689 is an apocalyptic number.

It is an amenable number.

12847509689 is a deficient number, since it is larger than the sum of its proper divisors (1837739911).

12847509689 is an equidigital number, since it uses as much as digits as its factorization.

12847509689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297679.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 12847509689 in words is "twelve billion, eight hundred forty-seven million, five hundred nine thousand, six hundred eighty-nine".