42163955193 has 16 divisors (see below), whose sum is σ = 56750601600. Its totient is φ = 27843454080.

The previous prime is 42163955179. The next prime is 42163955201. The reversal of 42163955193 is 39155936124.

It is not a de Polignac number, because 42163955193 - 2¹⁴ = 42163938809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42163955153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262413 + ... + 1295381.

It is an arithmetic number, because the mean of its divisors is an integer number (3546912600).

Almost surely, 2^42163955193 is an apocalyptic number.

It is an amenable number.

42163955193 is a deficient number, since it is larger than the sum of its proper divisors (14586646407).

42163955193 is a wasteful number, since it uses less digits than its factorization.

42163955193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36992.

The product of its digits is 874800, while the sum is 48.

The spelling of 42163955193 in words is "forty-two billion, one hundred sixty-three million, nine hundred fifty-five thousand, one hundred ninety-three".