2144028681617 has 2 divisors, whose sum is σ = 2144028681618. Its totient is φ = 2144028681616.

The previous prime is 2144028681577. The next prime is 2144028681623. The reversal of 2144028681617 is 7161868204412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1526037738241 + 617990943376 = 1235329^2 + 786124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144028681617 - 2¹² = 2144028677521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144028681317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072014340808 + 1072014340809.

It is an arithmetic number, because the mean of its divisors is an integer number (1072014340809).

Almost surely, 2^{2144028681617} is an apocalyptic number.

It is an amenable number.

2144028681617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144028681617 is an equidigital number, since it uses as much as digits as its factorization.

2144028681617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 2144028681617 in words is "two trillion, one hundred forty-four billion, twenty-eight million, six hundred eighty-one thousand, six hundred seventeen".