273770443680449 has 2 divisors, whose sum is σ = 273770443680450. Its totient is φ = 273770443680448.

The previous prime is 273770443680347. The next prime is 273770443680451. The reversal of 273770443680449 is 944086344077372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254347252199824 + 19423191480625 = 15948268^2 + 4407175^2 .

It is a cyclic number.

It is not a de Polignac number, because 273770443680449 - 2⁸ = 273770443680193 is a prime.

Together with 273770443680451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273770443680469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136885221840224 + 136885221840225.

It is an arithmetic number, because the mean of its divisors is an integer number (136885221840225).

Almost surely, 2^{273770443680449} is an apocalyptic number.

It is an amenable number.

273770443680449 is a deficient number, since it is larger than the sum of its proper divisors (1).

273770443680449 is an equidigital number, since it uses as much as digits as its factorization.

273770443680449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 682795008, while the sum is 68.

The spelling of 273770443680449 in words is "two hundred seventy-three trillion, seven hundred seventy billion, four hundred forty-three million, six hundred eighty thousand, four hundred forty-nine".