4021430342393 has 8 divisors (see below), whose sum is σ = 4233237434400. Its totient is φ = 3809638536768.

The previous prime is 4021430342389. The next prime is 4021430342407. The reversal of 4021430342393 is 3932430341204.

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 4021430342393 - 2² = 4021430342389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021430342353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279623 + ... + 4335756.

It is an arithmetic number, because the mean of its divisors is an integer number (529154679300).

Almost surely, 2^{4021430342393} is an apocalyptic number.

It is an amenable number.

4021430342393 is a deficient number, since it is larger than the sum of its proper divisors (211807092007).

4021430342393 is a wasteful number, since it uses less digits than its factorization.

4021430342393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643191.

The product of its (nonzero) digits is 186624, while the sum is 38.

Adding to 4021430342393 its reverse (3932430341204), we get a palindrome (7953860683597).

The spelling of 4021430342393 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, three hundred ninety-three".