12638759271 has 16 divisors (see below), whose sum is σ = 16926064128. Its totient is φ = 8388699200.

The previous prime is 12638759269. The next prime is 12638759291. The reversal of 12638759271 is 17295783621.

12638759271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12638759271 - 2¹ = 12638759269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638759291) 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 15 ways as a sum of consecutive naturals, for example, 1096066 + ... + 1107536.

It is an arithmetic number, because the mean of its divisors is an integer number (1057879008).

Almost surely, 2^12638759271 is an apocalyptic number.

12638759271 is a deficient number, since it is larger than the sum of its proper divisors (4287304857).

12638759271 is a wasteful number, since it uses less digits than its factorization.

12638759271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062.

The product of its digits is 1270080, while the sum is 51.

The spelling of 12638759271 in words is "twelve billion, six hundred thirty-eight million, seven hundred fifty-nine thousand, two hundred seventy-one".