12838670193 has 4 divisors (see below), whose sum is σ = 17118226928. Its totient is φ = 8559113460.

The previous prime is 12838670171. The next prime is 12838670209. The reversal of 12838670193 is 39107683821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12838670193 - 2⁶ = 12838670129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12838670153) 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, 2139778363 + ... + 2139778368.

It is an arithmetic number, because the mean of its divisors is an integer number (4279556732).

Almost surely, 2^12838670193 is an apocalyptic number.

It is an amenable number.

12838670193 is a deficient number, since it is larger than the sum of its proper divisors (4279556735).

12838670193 is an equidigital number, since it uses as much as digits as its factorization.

12838670193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279556734.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 12838670193 in words is "twelve billion, eight hundred thirty-eight million, six hundred seventy thousand, one hundred ninety-three".