42718975191 has 12 divisors (see below), whose sum is σ = 61708773568. Its totient is φ = 28477661184.

The previous prime is 42718975171. The next prime is 42718975357. The reversal of 42718975191 is 19157981724.

42718975191 is a `hidden beast` number, since 4 + 27 + 18 + 97 + 519 + 1 = 666.

It is not a de Polignac number, because 42718975191 - 2¹³ = 42718966999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718975111) 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 11 ways as a sum of consecutive naturals, for example, 37146 + ... + 294648.

Almost surely, 2^42718975191 is an apocalyptic number.

42718975191 is a deficient number, since it is larger than the sum of its proper divisors (18989798377).

42718975191 is a wasteful number, since it uses less digits than its factorization.

42718975191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275942 (or 275939 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 54.

The spelling of 42718975191 in words is "forty-two billion, seven hundred eighteen million, nine hundred seventy-five thousand, one hundred ninety-one".