1344445666682 has 4 divisors (see below), whose sum is σ = 2016668500026. Its totient is φ = 672222833340.

The previous prime is 1344445666679. The next prime is 1344445666699. The reversal of 1344445666682 is 2866665444431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 935473905601 + 408971761081 = 967199^2 + 639509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336111416669 + ... + 336111416672.

Almost surely, 2^{1344445666682} is an apocalyptic number.

1344445666682 is a deficient number, since it is larger than the sum of its proper divisors (672222833344).

1344445666682 is an equidigital number, since it uses as much as digits as its factorization.

1344445666682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672222833343.

The product of its digits is 79626240, while the sum is 59.

The spelling of 1344445666682 in words is "one trillion, three hundred forty-four billion, four hundred forty-five million, six hundred sixty-six thousand, six hundred eighty-two".