4004442178873 has 2 divisors, whose sum is σ = 4004442178874. Its totient is φ = 4004442178872.

The previous prime is 4004442178871. The next prime is 4004442178937. The reversal of 4004442178873 is 3788712444004.

4004442178873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3695898590784 + 308543588089 = 1922472^2 + 555467^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004442178873 - 2¹ = 4004442178871 is a prime.

Together with 4004442178871, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4004442178873.

It is not a weakly prime, because it can be changed into another prime (4004442178871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002221089436 + 2002221089437.

It is an arithmetic number, because the mean of its divisors is an integer number (2002221089437).

Almost surely, 2^{4004442178873} is an apocalyptic number.

It is an amenable number.

4004442178873 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004442178873 is an equidigital number, since it uses as much as digits as its factorization.

4004442178873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4816896, while the sum is 52.

The spelling of 4004442178873 in words is "four trillion, four billion, four hundred forty-two million, one hundred seventy-eight thousand, eight hundred seventy-three".