8580641791 has 2 divisors, whose sum is σ = 8580641792. Its totient is φ = 8580641790.

The previous prime is 8580641789. The next prime is 8580641833. The reversal of 8580641791 is 1971460858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8580641791 - 2¹ = 8580641789 is a prime.

Together with 8580641789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8580645791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4290320895 + 4290320896.

It is an arithmetic number, because the mean of its divisors is an integer number (4290320896).

Almost surely, 2^8580641791 is an apocalyptic number.

8580641791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8580641791 is an equidigital number, since it uses as much as digits as its factorization.

8580641791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 8580641791 is about 92631.7536863035. The cubic root of 8580641791 is about 2047.2612080514.

The spelling of 8580641791 in words is "eight billion, five hundred eighty million, six hundred forty-one thousand, seven hundred ninety-one".