12805463693 has 8 divisors (see below), whose sum is σ = 14576970816. Its totient is φ = 11135185600.

The previous prime is 12805463689. The next prime is 12805463711. The reversal of 12805463693 is 39636450821.

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

It is not a de Polignac number, because 12805463693 - 2² = 12805463689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805463623) 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, 25306988 + ... + 25307493.

It is an arithmetic number, because the mean of its divisors is an integer number (1822121352).

Almost surely, 2^12805463693 is an apocalyptic number.

It is an amenable number.

12805463693 is a deficient number, since it is larger than the sum of its proper divisors (1771507123).

12805463693 is a wasteful number, since it uses less digits than its factorization.

12805463693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50614515.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 12805463693 in words is "twelve billion, eight hundred five million, four hundred sixty-three thousand, six hundred ninety-three".