12789673563 has 8 divisors (see below), whose sum is σ = 18056009808. Its totient is φ = 8024893184.

The previous prime is 12789673541. The next prime is 12789673571. The reversal of 12789673563 is 36537698721.

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 12789673563 - 2⁸ = 12789673307 is a prime.

It is a super-2 number, since 2×12789673563² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12789673063) 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, 125388906 + ... + 125389007.

It is an arithmetic number, because the mean of its divisors is an integer number (2257001226).

Almost surely, 2^12789673563 is an apocalyptic number.

12789673563 is a deficient number, since it is larger than the sum of its proper divisors (5266336245).

12789673563 is a wasteful number, since it uses less digits than its factorization.

12789673563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250777933.

The product of its digits is 11430720, while the sum is 57.

The spelling of 12789673563 in words is "twelve billion, seven hundred eighty-nine million, six hundred seventy-three thousand, five hundred sixty-three".