1344445666679 has 2 divisors, whose sum is σ = 1344445666680. Its totient is φ = 1344445666678.

The previous prime is 1344445666667. The next prime is 1344445666699. The reversal of 1344445666679 is 9766665444431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344445666679 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344445666699) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672222833339 + 672222833340.

It is an arithmetic number, because the mean of its divisors is an integer number (672222833340).

Almost surely, 2^{1344445666679} is an apocalyptic number.

1344445666679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344445666679 is an equidigital number, since it uses as much as digits as its factorization.

1344445666679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313528320, while the sum is 65.

The spelling of 1344445666679 in words is "one trillion, three hundred forty-four billion, four hundred forty-five million, six hundred sixty-six thousand, six hundred seventy-nine".