42585175853 has 4 divisors (see below), whose sum is σ = 46456555488. Its totient is φ = 38713796220.

The previous prime is 42585175849. The next prime is 42585175879. The reversal of 42585175853 is 35857158524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42585175853 - 2² = 42585175849 is a prime.

It is a super-3 number, since 3×42585175853³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42585175795 and 42585175804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42585175453) 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, 1935689801 + ... + 1935689822.

It is an arithmetic number, because the mean of its divisors is an integer number (11614138872).

Almost surely, 2^42585175853 is an apocalyptic number.

It is an amenable number.

42585175853 is a deficient number, since it is larger than the sum of its proper divisors (3871379635).

42585175853 is a wasteful number, since it uses less digits than its factorization.

42585175853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871379634.

The product of its digits is 6720000, while the sum is 53.

The spelling of 42585175853 in words is "forty-two billion, five hundred eighty-five million, one hundred seventy-five thousand, eight hundred fifty-three".