12617045734687 has 2 divisors, whose sum is σ = 12617045734688. Its totient is φ = 12617045734686.

The previous prime is 12617045734649. The next prime is 12617045734691. The reversal of 12617045734687 is 78643754071621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12617045734687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12617045744687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308522867343 + 6308522867344.

It is an arithmetic number, because the mean of its divisors is an integer number (6308522867344).

Almost surely, 2^{12617045734687} is an apocalyptic number.

12617045734687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617045734687 is an equidigital number, since it uses as much as digits as its factorization.

12617045734687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 12617045734687 in words is "twelve trillion, six hundred seventeen billion, forty-five million, seven hundred thirty-four thousand, six hundred eighty-seven".