12653887071617 has 4 divisors (see below), whose sum is σ = 13804240441776. Its totient is φ = 11503533701460.

The previous prime is 12653887071521. The next prime is 12653887071641. The reversal of 12653887071617 is 71617078835621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12653887071617 - 2³² = 12649592104321 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 12653887071617.

It is not an unprimeable number, because it can be changed into a prime (12653887071677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575176685063 + ... + 575176685084.

It is an arithmetic number, because the mean of its divisors is an integer number (3451060110444).

Almost surely, 2^{12653887071617} is an apocalyptic number.

It is an amenable number.

12653887071617 is a deficient number, since it is larger than the sum of its proper divisors (1150353370159).

12653887071617 is a wasteful number, since it uses less digits than its factorization.

12653887071617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150353370158.

The product of its (nonzero) digits is 23708160, while the sum is 62.

The spelling of 12653887071617 in words is "twelve trillion, six hundred fifty-three billion, eight hundred eighty-seven million, seventy-one thousand, six hundred seventeen".