12848743849 has 4 divisors (see below), whose sum is σ = 12856770900. Its totient is φ = 12840716800.

The previous prime is 12848743847. The next prime is 12848743861. The reversal of 12848743849 is 94834784821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8679717225 + 4169026624 = 93165^2 + 64568^2 .

It is a cyclic number.

It is not a de Polignac number, because 12848743849 - 2¹ = 12848743847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12848743793 and 12848743802.

It is not an unprimeable number, because it can be changed into a prime (12848743847) 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 3 ways as a sum of consecutive naturals, for example, 4011124 + ... + 4014325.

It is an arithmetic number, because the mean of its divisors is an integer number (3214192725).

Almost surely, 2^12848743849 is an apocalyptic number.

It is an amenable number.

12848743849 is a deficient number, since it is larger than the sum of its proper divisors (8027051).

12848743849 is an equidigital number, since it uses as much as digits as its factorization.

12848743849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027050.

The product of its digits is 12386304, while the sum is 58.

The spelling of 12848743849 in words is "twelve billion, eight hundred forty-eight million, seven hundred forty-three thousand, eight hundred forty-nine".