42104322443 has 4 divisors (see below), whose sum is σ = 42105430560. Its totient is φ = 42103214328.

The previous prime is 42104322439. The next prime is 42104322461. The reversal of 42104322443 is 34422340124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42104322443 - 2² = 42104322439 is a prime.

It is a super-2 number, since 2×42104322443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42104322473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494963 + ... + 573756.

It is an arithmetic number, because the mean of its divisors is an integer number (10526357640).

Almost surely, 2^42104322443 is an apocalyptic number.

42104322443 is a deficient number, since it is larger than the sum of its proper divisors (1108117).

42104322443 is a wasteful number, since it uses less digits than its factorization.

42104322443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108116.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42104322443 its reverse (34422340124), we get a palindrome (76526662567).

The spelling of 42104322443 in words is "forty-two billion, one hundred four million, three hundred twenty-two thousand, four hundred forty-three".