1144442401409 has 2 divisors, whose sum is σ = 1144442401410. Its totient is φ = 1144442401408.

The previous prime is 1144442401393. The next prime is 1144442401433. The reversal of 1144442401409 is 9041042444411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750177712384 + 394264689025 = 866128^2 + 627905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144442401409 - 2⁴ = 1144442401393 is a prime.

It is a super-3 number, since 3×1144442401409³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1144442401909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572221200704 + 572221200705.

It is an arithmetic number, because the mean of its divisors is an integer number (572221200705).

Almost surely, 2^{1144442401409} is an apocalyptic number.

It is an amenable number.

1144442401409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144442401409 is an equidigital number, since it uses as much as digits as its factorization.

1144442401409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 1144442401409 in words is "one trillion, one hundred forty-four billion, four hundred forty-two million, four hundred one thousand, four hundred nine".