1444311073 has 2 divisors, whose sum is σ = 1444311074. Its totient is φ = 1444311072.

The previous prime is 1444311019. The next prime is 1444311079. The reversal of 1444311073 is 3701134441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022912289 + 421398784 = 31983^2 + 20528^2 .

It is an emirp because it is prime and its reverse (3701134441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444311073 - 2⁹ = 1444310561 is a prime.

It is a super-2 number, since 2×1444311073² = 4172068951180822658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1444311079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722155536 + 722155537.

It is an arithmetic number, because the mean of its divisors is an integer number (722155537).

Almost surely, 2^1444311073 is an apocalyptic number.

It is an amenable number.

1444311073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444311073 is an equidigital number, since it uses as much as digits as its factorization.

1444311073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1444311073 is about 38004.0928453765. The cubic root of 1444311073 is about 1130.3690216696.

The spelling of 1444311073 in words is "one billion, four hundred forty-four million, three hundred eleven thousand, seventy-three".