1444041451 has 2 divisors, whose sum is σ = 1444041452. Its totient is φ = 1444041450.

The previous prime is 1444041433. The next prime is 1444041479. The reversal of 1444041451 is 1541404441.

It is an a-pointer prime, because the next prime (1444041479) can be obtained adding 1444041451 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444041451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444041481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722020725 + 722020726.

It is an arithmetic number, because the mean of its divisors is an integer number (722020726).

Almost surely, 2^1444041451 is an apocalyptic number.

1444041451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444041451 is an equidigital number, since it uses as much as digits as its factorization.

1444041451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1444041451 is about 38000.5454039807. The cubic root of 1444041451 is about 1130.2986787154.

Adding to 1444041451 its reverse (1541404441), we get a palindrome (2985445892).

The spelling of 1444041451 in words is "one billion, four hundred forty-four million, forty-one thousand, four hundred fifty-one".