4021430342177 has 2 divisors, whose sum is σ = 4021430342178. Its totient is φ = 4021430342176.

The previous prime is 4021430342143. The next prime is 4021430342219. The reversal of 4021430342177 is 7712430341204.

4021430342177 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., 2877148718656 + 1144281623521 = 1696216^2 + 1069711^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021430342177 - 2¹⁰ = 4021430341153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021430342177.

It is not a weakly prime, because it can be changed into another prime (4021430344177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010715171088 + 2010715171089.

It is an arithmetic number, because the mean of its divisors is an integer number (2010715171089).

Almost surely, 2^{4021430342177} is an apocalyptic number.

It is an amenable number.

4021430342177 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021430342177 is an equidigital number, since it uses as much as digits as its factorization.

4021430342177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 4021430342177 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, one hundred seventy-seven".