12639459214 has 4 divisors (see below), whose sum is σ = 18959188824. Its totient is φ = 6319729606.

The previous prime is 12639459197. The next prime is 12639459223. The reversal of 12639459214 is 41295493621.

12639459214 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41295493621 = 53 ⋅779160257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159864802 + ... + 3159864805.

It is an arithmetic number, because the mean of its divisors is an integer number (4739797206).

Almost surely, 2^12639459214 is an apocalyptic number.

12639459214 is a deficient number, since it is larger than the sum of its proper divisors (6319729610).

12639459214 is an equidigital number, since it uses as much as digits as its factorization.

12639459214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319729609.

The product of its digits is 466560, while the sum is 46.

The spelling of 12639459214 in words is "twelve billion, six hundred thirty-nine million, four hundred fifty-nine thousand, two hundred fourteen".