12849979443 has 8 divisors (see below), whose sum is σ = 19580921088. Its totient is φ = 7342845384.

The previous prime is 12849979421. The next prime is 12849979451. The reversal of 12849979443 is 34497994821.

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

It is not a de Polignac number, because 12849979443 - 2¹⁴ = 12849963059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12849979403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305951871 + ... + 305951912.

It is an arithmetic number, because the mean of its divisors is an integer number (2447615136).

Almost surely, 2^12849979443 is an apocalyptic number.

12849979443 is a deficient number, since it is larger than the sum of its proper divisors (6730941645).

12849979443 is an equidigital number, since it uses as much as digits as its factorization.

12849979443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611903793.

The product of its digits is 15676416, while the sum is 60.

The spelling of 12849979443 in words is "twelve billion, eight hundred forty-nine million, nine hundred seventy-nine thousand, four hundred forty-three".