42147771193 has 16 divisors (see below), whose sum is σ = 50503680000. Its totient is φ = 34721272080.

The previous prime is 42147771191. The next prime is 42147771221. The reversal of 42147771193 is 39117774124.

It is not a de Polignac number, because 42147771193 - 2¹ = 42147771191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42147771191) 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 15 ways as a sum of consecutive naturals, for example, 4379193 + ... + 4388806.

It is an arithmetic number, because the mean of its divisors is an integer number (3156480000).

Almost surely, 2^42147771193 is an apocalyptic number.

It is an amenable number.

42147771193 is a deficient number, since it is larger than the sum of its proper divisors (8355908807).

42147771193 is a wasteful number, since it uses less digits than its factorization.

42147771193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768052.

The product of its digits is 296352, while the sum is 46.

The spelling of 42147771193 in words is "forty-two billion, one hundred forty-seven million, seven hundred seventy-one thousand, one hundred ninety-three".