1448601619081 has 2 divisors, whose sum is σ = 1448601619082. Its totient is φ = 1448601619080.

The previous prime is 1448601619051. The next prime is 1448601619109. The reversal of 1448601619081 is 1809161068441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134395406400 + 314206212681 = 1065080^2 + 560541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448601619081 - 2⁷ = 1448601618953 is a prime.

It is a super-2 number, since 2×1448601619081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1448601619051) 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, 724300809540 + 724300809541.

It is an arithmetic number, because the mean of its divisors is an integer number (724300809541).

Almost surely, 2^{1448601619081} is an apocalyptic number.

It is an amenable number.

1448601619081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448601619081 is an equidigital number, since it uses as much as digits as its factorization.

1448601619081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 1448601619081 in words is "one trillion, four hundred forty-eight billion, six hundred one million, six hundred nineteen thousand, eighty-one".