1444041497 has 2 divisors, whose sum is σ = 1444041498. Its totient is φ = 1444041496.

The previous prime is 1444041493. The next prime is 1444041611. The reversal of 1444041497 is 7941404441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1416468496 + 27573001 = 37636^2 + 5251^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444041497 - 2² = 1444041493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444041497.

It is not a weakly prime, because it can be changed into another prime (1444041491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722020748 + 722020749.

It is an arithmetic number, because the mean of its divisors is an integer number (722020749).

Almost surely, 2^1444041497 is an apocalyptic number.

It is an amenable number.

1444041497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444041497 is an equidigital number, since it uses as much as digits as its factorization.

1444041497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1444041497 is about 38000.5460092352. The cubic root of 1444041497 is about 1130.2986907173.

The spelling of 1444041497 in words is "one billion, four hundred forty-four million, forty-one thousand, four hundred ninety-seven".