80810522593 has 2 divisors, whose sum is σ = 80810522594. Its totient is φ = 80810522592.

The previous prime is 80810522591. The next prime is 80810522599. The reversal of 80810522593 is 39522501808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63835559649 + 16974962944 = 252657^2 + 130288^2 .

It is a cyclic number.

It is not a de Polignac number, because 80810522593 - 2¹ = 80810522591 is a prime.

Together with 80810522591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80810522591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40405261296 + 40405261297.

It is an arithmetic number, because the mean of its divisors is an integer number (40405261297).

Almost surely, 2^80810522593 is an apocalyptic number.

It is an amenable number.

80810522593 is a deficient number, since it is larger than the sum of its proper divisors (1).

80810522593 is an equidigital number, since it uses as much as digits as its factorization.

80810522593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 80810522593 in words is "eighty billion, eight hundred ten million, five hundred twenty-two thousand, five hundred ninety-three".