42243163605 has 32 divisors (see below), whose sum is σ = 76696819200. Its totient is φ = 22050328896.

The previous prime is 42243163597. The next prime is 42243163649. The reversal of 42243163605 is 50636134224.

42243163605 is a `hidden beast` number, since 4 + 2 + 2 + 43 + 1 + 6 + 3 + 605 = 666.

It is not a de Polignac number, because 42243163605 - 2³ = 42243163597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42243163605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3322510 + ... + 3335199.

It is an arithmetic number, because the mean of its divisors is an integer number (2396775600).

Almost surely, 2^42243163605 is an apocalyptic number.

42243163605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42243163605 is a deficient number, since it is larger than the sum of its proper divisors (34453655595).

42243163605 is a wasteful number, since it uses less digits than its factorization.

42243163605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657770 (or 6657764 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 42243163605 its reverse (50636134224), we get a palindrome (92879297829).

The spelling of 42243163605 in words is "forty-two billion, two hundred forty-three million, one hundred sixty-three thousand, six hundred five".