12731908468 has 6 divisors (see below), whose sum is σ = 22280839826. Its totient is φ = 6365954232.

The previous prime is 12731908403. The next prime is 12731908487. The reversal of 12731908468 is 86480913721.

12731908468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7826587024 + 4905321444 = 88468^2 + 70038^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1591488555 + ... + 1591488562.

Almost surely, 2^12731908468 is an apocalyptic number.

It is an amenable number.

12731908468 is a deficient number, since it is larger than the sum of its proper divisors (9548931358).

12731908468 is a wasteful number, since it uses less digits than its factorization.

12731908468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182977121 (or 3182977119 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 12731908468 in words is "twelve billion, seven hundred thirty-one million, nine hundred eight thousand, four hundred sixty-eight".