12617045734691 has 2 divisors, whose sum is σ = 12617045734692. Its totient is φ = 12617045734690.

The previous prime is 12617045734687. The next prime is 12617045734747. The reversal of 12617045734691 is 19643754071621.

It is an a-pointer prime, because the next prime (12617045734747) can be obtained adding 12617045734691 to its sum of digits (56).

It is a weak prime.

It is an emirp because it is prime and its reverse (19643754071621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12617045734691 - 2² = 12617045734687 is a prime.

It is a super-3 number, since 3×12617045734691³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12617045734591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308522867345 + 6308522867346.

It is an arithmetic number, because the mean of its divisors is an integer number (6308522867346).

Almost surely, 2^{12617045734691} is an apocalyptic number.

12617045734691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617045734691 is an equidigital number, since it uses as much as digits as its factorization.

12617045734691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 12617045734691 in words is "twelve trillion, six hundred seventeen billion, forty-five million, seven hundred thirty-four thousand, six hundred ninety-one".