1441302986821 has 2 divisors, whose sum is σ = 1441302986822. Its totient is φ = 1441302986820.

The previous prime is 1441302986807. The next prime is 1441302986839. The reversal of 1441302986821 is 1286892031441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1285207668900 + 156095317921 = 1133670^2 + 395089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441302986821 - 2²¹ = 1441300889669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441302986881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720651493410 + 720651493411.

It is an arithmetic number, because the mean of its divisors is an integer number (720651493411).

Almost surely, 2^{1441302986821} is an apocalyptic number.

It is an amenable number.

1441302986821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441302986821 is an equidigital number, since it uses as much as digits as its factorization.

1441302986821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1441302986821 in words is "one trillion, four hundred forty-one billion, three hundred two million, nine hundred eighty-six thousand, eight hundred twenty-one".