12838324337 has 4 divisors (see below), whose sum is σ = 12839812596. Its totient is φ = 12836836080.

The previous prime is 12838324321. The next prime is 12838324349. The reversal of 12838324337 is 73342383821.

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 8094420961 + 4743903376 = 89969^2 + 68876^2 .

It is a cyclic number.

It is not a de Polignac number, because 12838324337 - 2⁴ = 12838324321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12838224337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731114 + ... + 748467.

It is an arithmetic number, because the mean of its divisors is an integer number (3209953149).

Almost surely, 2^12838324337 is an apocalyptic number.

It is an amenable number.

12838324337 is a deficient number, since it is larger than the sum of its proper divisors (1488259).

12838324337 is an equidigital number, since it uses as much as digits as its factorization.

12838324337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488258.

The product of its digits is 580608, while the sum is 44.

The spelling of 12838324337 in words is "twelve billion, eight hundred thirty-eight million, three hundred twenty-four thousand, three hundred thirty-seven".