80326218433049 has 2 divisors, whose sum is σ = 80326218433050. Its totient is φ = 80326218433048.

The previous prime is 80326218432989. The next prime is 80326218433051. The reversal of 80326218433049 is 94033481262308.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63089771610649 + 17236446822400 = 7942907^2 + 4151680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80326218433049 is a prime.

It is a Sophie Germain prime.

Together with 80326218433051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (80326218433079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40163109216524 + 40163109216525.

It is an arithmetic number, because the mean of its divisors is an integer number (40163109216525).

Almost surely, 2^{80326218433049} is an apocalyptic number.

It is an amenable number.

80326218433049 is a deficient number, since it is larger than the sum of its proper divisors (1).

80326218433049 is an equidigital number, since it uses as much as digits as its factorization.

80326218433049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 80326218433049 in words is "eighty trillion, three hundred twenty-six billion, two hundred eighteen million, four hundred thirty-three thousand, forty-nine".