1766828114449 has 2 divisors, whose sum is σ = 1766828114450. Its totient is φ = 1766828114448.

The previous prime is 1766828114423. The next prime is 1766828114461. The reversal of 1766828114449 is 9444118286671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329916368400 + 436911746049 = 1153220^2 + 660993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1766828114449 - 2⁷ = 1766828114321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1766828117449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 883414057224 + 883414057225.

It is an arithmetic number, because the mean of its divisors is an integer number (883414057225).

Almost surely, 2^{1766828114449} is an apocalyptic number.

It is an amenable number.

1766828114449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1766828114449 is an equidigital number, since it uses as much as digits as its factorization.

1766828114449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 61.

The spelling of 1766828114449 in words is "one trillion, seven hundred sixty-six billion, eight hundred twenty-eight million, one hundred fourteen thousand, four hundred forty-nine".