4021430342005 has 8 divisors (see below), whose sum is σ = 4825766345400. Its totient is φ = 3217110983616.

The previous prime is 4021430341993. The next prime is 4021430342093. The reversal of 4021430342005 is 5002430341204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 235814158449 + 3785616183556 = 485607^2 + 1945666^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021430342005 - 2¹¹ = 4021430339957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623410 + ... + 4601299.

It is an arithmetic number, because the mean of its divisors is an integer number (603220793175).

Almost surely, 2^{4021430342005} is an apocalyptic number.

It is an amenable number.

4021430342005 is a deficient number, since it is larger than the sum of its proper divisors (804336003395).

4021430342005 is an equidigital number, since it uses as much as digits as its factorization.

4021430342005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322503.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 4021430342005 its reverse (5002430341204), we get a palindrome (9023860683209).

The spelling of 4021430342005 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, five".