12676384661 has 2 divisors, whose sum is σ = 12676384662. Its totient is φ = 12676384660.

The previous prime is 12676384639. The next prime is 12676384687. The reversal of 12676384661 is 16648367621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6509423761 + 6166960900 = 80681^2 + 78530^2 .

It is a cyclic number.

It is not a de Polignac number, because 12676384661 - 2¹⁰ = 12676383637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12676384621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338192330 + 6338192331.

It is an arithmetic number, because the mean of its divisors is an integer number (6338192331).

Almost surely, 2^12676384661 is an apocalyptic number.

It is an amenable number.

12676384661 is a deficient number, since it is larger than the sum of its proper divisors (1).

12676384661 is an equidigital number, since it uses as much as digits as its factorization.

12676384661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The spelling of 12676384661 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred sixty-one".