8766444042641 has 2 divisors, whose sum is σ = 8766444042642. Its totient is φ = 8766444042640.

The previous prime is 8766444042583. The next prime is 8766444042673. The reversal of 8766444042641 is 1462404446678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8353232918416 + 413211124225 = 2890196^2 + 642815^2 .

It is a cyclic number.

It is not a de Polignac number, because 8766444042641 - 2¹⁰ = 8766444041617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8766444045641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4383222021320 + 4383222021321.

It is an arithmetic number, because the mean of its divisors is an integer number (4383222021321).

Almost surely, 2^{8766444042641} is an apocalyptic number.

It is an amenable number.

8766444042641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8766444042641 is an equidigital number, since it uses as much as digits as its factorization.

8766444042641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 56.

The spelling of 8766444042641 in words is "eight trillion, seven hundred sixty-six billion, four hundred forty-four million, forty-two thousand, six hundred forty-one".