4021430342143 has 2 divisors, whose sum is σ = 4021430342144. Its totient is φ = 4021430342142.

The previous prime is 4021430342131. The next prime is 4021430342177. The reversal of 4021430342143 is 3412430341204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021430342143 - 2³³ = 4012840407551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021430349143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010715171071 + 2010715171072.

It is an arithmetic number, because the mean of its divisors is an integer number (2010715171072).

Almost surely, 2^{4021430342143} is an apocalyptic number.

4021430342143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021430342143 is an equidigital number, since it uses as much as digits as its factorization.

4021430342143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4021430342143 its reverse (3412430341204), we get a palindrome (7433860683347).

The spelling of 4021430342143 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, one hundred forty-three".