1444444428061 has 2 divisors, whose sum is σ = 1444444428062. Its totient is φ = 1444444428060.

The previous prime is 1444444427963. The next prime is 1444444428079. The reversal of 1444444428061 is 1608244444441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1313694207225 + 130750220836 = 1146165^2 + 361594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444444428061 - 2¹¹ = 1444444426013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444444428461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722222214030 + 722222214031.

It is an arithmetic number, because the mean of its divisors is an integer number (722222214031).

Almost surely, 2^{1444444428061} is an apocalyptic number.

It is an amenable number.

1444444428061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444444428061 is an equidigital number, since it uses as much as digits as its factorization.

1444444428061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1572864, while the sum is 46.

The spelling of 1444444428061 in words is "one trillion, four hundred forty-four billion, four hundred forty-four million, four hundred twenty-eight thousand, sixty-one".