2204144439677 has 2 divisors, whose sum is σ = 2204144439678. Its totient is φ = 2204144439676.

The previous prime is 2204144439671. The next prime is 2204144439697. The reversal of 2204144439677 is 7769344414022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1605418236601 + 598726203076 = 1267051^2 + 773774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204144439677 - 2⁶ = 2204144439613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204144439671) 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, 1102072219838 + 1102072219839.

It is an arithmetic number, because the mean of its divisors is an integer number (1102072219839).

Almost surely, 2^{2204144439677} is an apocalyptic number.

It is an amenable number.

2204144439677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204144439677 is an equidigital number, since it uses as much as digits as its factorization.

2204144439677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 2204144439677 in words is "two trillion, two hundred four billion, one hundred forty-four million, four hundred thirty-nine thousand, six hundred seventy-seven".