4021420314343 has 2 divisors, whose sum is σ = 4021420314344. Its totient is φ = 4021420314342.

The previous prime is 4021420314323. The next prime is 4021420314347. The reversal of 4021420314343 is 3434130241204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021420314343 - 2¹⁷ = 4021420183271 is a prime.

It is a super-2 number, since 2×4021420314343² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021420314347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010710157171 + 2010710157172.

It is an arithmetic number, because the mean of its divisors is an integer number (2010710157172).

Almost surely, 2^{4021420314343} is an apocalyptic number.

4021420314343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021420314343 is an equidigital number, since it uses as much as digits as its factorization.

4021420314343 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 4021420314343 its reverse (3434130241204), we get a palindrome (7455550555547).

The spelling of 4021420314343 in words is "four trillion, twenty-one billion, four hundred twenty million, three hundred fourteen thousand, three hundred forty-three".