1444900245601 has 2 divisors, whose sum is σ = 1444900245602. Its totient is φ = 1444900245600.

The previous prime is 1444900245563. The next prime is 1444900245623. The reversal of 1444900245601 is 1065420094441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425862869025 + 19037376576 = 1194095^2 + 137976^2 .

It is an emirp because it is prime and its reverse (1065420094441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444900245601 - 2⁷ = 1444900245473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444900245671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722450122800 + 722450122801.

It is an arithmetic number, because the mean of its divisors is an integer number (722450122801).

Almost surely, 2^{1444900245601} is an apocalyptic number.

It is an amenable number.

1444900245601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444900245601 is an equidigital number, since it uses as much as digits as its factorization.

1444900245601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1444900245601 in words is "one trillion, four hundred forty-four billion, nine hundred million, two hundred forty-five thousand, six hundred one".