42385924193 has 4 divisors (see below), whose sum is σ = 42404047920. Its totient is φ = 42367800468.

The previous prime is 42385924177. The next prime is 42385924213. The reversal of 42385924193 is 39142958324.

It is a happy number.

42385924193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42385924193 - 2⁴ = 42385924177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42385924153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9058355 + ... + 9063032.

It is an arithmetic number, because the mean of its divisors is an integer number (10601011980).

Almost surely, 2^42385924193 is an apocalyptic number.

It is an amenable number.

42385924193 is a deficient number, since it is larger than the sum of its proper divisors (18123727).

42385924193 is a wasteful number, since it uses less digits than its factorization.

42385924193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18123726.

The product of its digits is 1866240, while the sum is 50.

The spelling of 42385924193 in words is "forty-two billion, three hundred eighty-five million, nine hundred twenty-four thousand, one hundred ninety-three".