42871561675 has 18 divisors (see below), whose sum is σ = 53244804788. Its totient is φ = 34243088640.

The previous prime is 42871561669. The next prime is 42871561679. The reversal of 42871561675 is 57616517824.

It is not a de Polignac number, because 42871561675 - 2¹⁹ = 42871037387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42871561679) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21575032 + ... + 21577018.

Almost surely, 2^42871561675 is an apocalyptic number.

42871561675 is a deficient number, since it is larger than the sum of its proper divisors (10373243113).

42871561675 is an frugal number, since it uses more digits than its factorization.

42871561675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855 (or 2921 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 52.

The spelling of 42871561675 in words is "forty-two billion, eight hundred seventy-one million, five hundred sixty-one thousand, six hundred seventy-five".