42571973163 has 4 divisors (see below), whose sum is σ = 56762630888. Its totient is φ = 28381315440.

The previous prime is 42571973131. The next prime is 42571973179. The reversal of 42571973163 is 36137917524.

It is a happy number.

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

It is not a de Polignac number, because 42571973163 - 2⁵ = 42571973131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42571973183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7095328858 + ... + 7095328863.

It is an arithmetic number, because the mean of its divisors is an integer number (14190657722).

Almost surely, 2^42571973163 is an apocalyptic number.

42571973163 is a deficient number, since it is larger than the sum of its proper divisors (14190657725).

42571973163 is a wasteful number, since it uses less digits than its factorization.

42571973163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190657724.

The product of its digits is 952560, while the sum is 48.

The spelling of 42571973163 in words is "forty-two billion, five hundred seventy-one million, nine hundred seventy-three thousand, one hundred sixty-three".