42653433171 has 4 divisors (see below), whose sum is σ = 56871244232. Its totient is φ = 28435622112.

The previous prime is 42653433161. The next prime is 42653433181. The reversal of 42653433171 is 17133435624.

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

It is an interprime number because it is at equal distance from previous prime (42653433161) and next prime (42653433181).

It is not a de Polignac number, because 42653433171 - 2¹⁸ = 42653171027 is a prime.

It is a super-2 number, since 2×42653433171² (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 (42653433161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7108905526 + ... + 7108905531.

It is an arithmetic number, because the mean of its divisors is an integer number (14217811058).

Almost surely, 2^42653433171 is an apocalyptic number.

42653433171 is a deficient number, since it is larger than the sum of its proper divisors (14217811061).

42653433171 is a wasteful number, since it uses less digits than its factorization.

42653433171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217811060.

The product of its digits is 181440, while the sum is 39.

Adding to 42653433171 its reverse (17133435624), we get a palindrome (59786868795).

The spelling of 42653433171 in words is "forty-two billion, six hundred fifty-three million, four hundred thirty-three thousand, one hundred seventy-one".