80504958449 has 2 divisors, whose sum is σ = 80504958450. Its totient is φ = 80504958448.

The previous prime is 80504958323. The next prime is 80504958451. The reversal of 80504958449 is 94485940508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51645744049 + 28859214400 = 227257^2 + 169880^2 .

It is a cyclic number.

It is not a de Polignac number, because 80504958449 - 2³² = 76209991153 is a prime.

Together with 80504958451, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80504958394 and 80504958403.

It is not a weakly prime, because it can be changed into another prime (80506958449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40252479224 + 40252479225.

It is an arithmetic number, because the mean of its divisors is an integer number (40252479225).

Almost surely, 2^80504958449 is an apocalyptic number.

It is an amenable number.

80504958449 is a deficient number, since it is larger than the sum of its proper divisors (1).

80504958449 is an equidigital number, since it uses as much as digits as its factorization.

80504958449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 80504958449 in words is "eighty billion, five hundred four million, nine hundred fifty-eight thousand, four hundred forty-nine".