12917763905 has 24 divisors (see below), whose sum is σ = 16493592192. Its totient is φ = 9710491392.

The previous prime is 12917763889. The next prime is 12917763917. The reversal of 12917763905 is 50936771921.

12917763905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12917763905 - 2⁴ = 12917763889 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian 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 in 23 ways as a sum of consecutive naturals, for example, 922184 + ... + 936086.

It is an arithmetic number, because the mean of its divisors is an integer number (687233008).

Almost surely, 2^12917763905 is an apocalyptic number.

It is an amenable number.

12917763905 is a deficient number, since it is larger than the sum of its proper divisors (3575828287).

12917763905 is a wasteful number, since it uses less digits than its factorization.

12917763905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14585 (or 14568 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 12917763905 in words is "twelve billion, nine hundred seventeen million, seven hundred sixty-three thousand, nine hundred five".