1444465313377 has 2 divisors, whose sum is σ = 1444465313378. Its totient is φ = 1444465313376.

The previous prime is 1444465313299. The next prime is 1444465313381. The reversal of 1444465313377 is 7733135644441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1361419906401 + 83045406976 = 1166799^2 + 288176^2 .

It is an emirp because it is prime and its reverse (7733135644441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444465313377 - 2³⁵ = 1410105575009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444465313777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722232656688 + 722232656689.

It is an arithmetic number, because the mean of its divisors is an integer number (722232656689).

Almost surely, 2^{1444465313377} is an apocalyptic number.

It is an amenable number.

1444465313377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444465313377 is an equidigital number, since it uses as much as digits as its factorization.

1444465313377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 52.

The spelling of 1444465313377 in words is "one trillion, four hundred forty-four billion, four hundred sixty-five million, three hundred thirteen thousand, three hundred seventy-seven".