42683538193 has 4 divisors (see below), whose sum is σ = 42919359028. Its totient is φ = 42447717360.

The previous prime is 42683538127. The next prime is 42683538221. The reversal of 42683538193 is 39183538624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4901120064 + 37782418129 = 70008^2 + 194377^2 .

It is a cyclic number.

It is not a de Polignac number, because 42683538193 - 2⁹ = 42683537681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42683538193.

It is not an unprimeable number, because it can be changed into a prime (42683532193) 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, 117910146 + ... + 117910507.

It is an arithmetic number, because the mean of its divisors is an integer number (10729839757).

Almost surely, 2^42683538193 is an apocalyptic number.

It is an amenable number.

42683538193 is a deficient number, since it is larger than the sum of its proper divisors (235820835).

42683538193 is a wasteful number, since it uses less digits than its factorization.

42683538193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235820834.

The product of its digits is 3732480, while the sum is 52.

The spelling of 42683538193 in words is "forty-two billion, six hundred eighty-three million, five hundred thirty-eight thousand, one hundred ninety-three".