42421330343 has 8 divisors (see below), whose sum is σ = 51033179520. Its totient is φ = 34447395960.

The previous prime is 42421330337. The next prime is 42421330351. The reversal of 42421330343 is 34303312424.

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

It is not a de Polignac number, because 42421330343 - 2²⁰ = 42420281767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42421330333) 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, 159478553 + ... + 159478818.

It is an arithmetic number, because the mean of its divisors is an integer number (6379147440).

Almost surely, 2^42421330343 is an apocalyptic number.

42421330343 is a deficient number, since it is larger than the sum of its proper divisors (8611849177).

42421330343 is a wasteful number, since it uses less digits than its factorization.

42421330343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318957397.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 42421330343 its reverse (34303312424), we get a palindrome (76724642767).

The spelling of 42421330343 in words is "forty-two billion, four hundred twenty-one million, three hundred thirty thousand, three hundred forty-three".