12677617109 has 2 divisors, whose sum is σ = 12677617110. Its totient is φ = 12677617108.

The previous prime is 12677617103. The next prime is 12677617163. The reversal of 12677617109 is 90171677621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10625074084 + 2052543025 = 103078^2 + 45305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12677617109 - 2²⁰ = 12676568533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12677617103) 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 as a sum of consecutive naturals, namely, 6338808554 + 6338808555.

It is an arithmetic number, because the mean of its divisors is an integer number (6338808555).

Almost surely, 2^12677617109 is an apocalyptic number.

It is an amenable number.

12677617109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12677617109 is an equidigital number, since it uses as much as digits as its factorization.

12677617109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 47.

The spelling of 12677617109 in words is "twelve billion, six hundred seventy-seven million, six hundred seventeen thousand, one hundred nine".