12669703939 has 8 divisors (see below), whose sum is σ = 13245564960. Its totient is φ = 12118835608.

The previous prime is 12669703933. The next prime is 12669703987. The reversal of 12669703939 is 93930796621.

12669703939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12669703939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12669703939.

It is not an unprimeable number, because it can be changed into a prime (12669703933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508492 + ... + 532825.

It is an arithmetic number, because the mean of its divisors is an integer number (1655695620).

Almost surely, 2^12669703939 is an apocalyptic number.

12669703939 is a deficient number, since it is larger than the sum of its proper divisors (575861021).

12669703939 is an frugal number, since it uses more digits than its factorization.

12669703939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041386 (or 1041340 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 12669703939 in words is "twelve billion, six hundred sixty-nine million, seven hundred three thousand, nine hundred thirty-nine".