42171754675 has 6 divisors (see below), whose sum is σ = 52292975828. Its totient is φ = 33737403720.

The previous prime is 42171754663. The next prime is 42171754679. The reversal of 42171754675 is 57645717124.

42171754675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42171754675 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42171754679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 843435069 + ... + 843435118.

Almost surely, 2^42171754675 is an apocalyptic number.

42171754675 is a deficient number, since it is larger than the sum of its proper divisors (10121221153).

42171754675 is a wasteful number, since it uses less digits than its factorization.

42171754675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686870197 (or 1686870192 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 49.

The spelling of 42171754675 in words is "forty-two billion, one hundred seventy-one million, seven hundred fifty-four thousand, six hundred seventy-five".