42235191853 has 4 divisors (see below), whose sum is σ = 42670606300. Its totient is φ = 41799777408.

The previous prime is 42235191851. The next prime is 42235191857. The reversal of 42235191853 is 35819153224.

It is a happy number.

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 5838946569 + 36396245284 = 76413^2 + 190778^2 .

It is a cyclic number.

It is not a de Polignac number, because 42235191853 - 2¹ = 42235191851 is a prime.

It is a super-2 number, since 2×42235191853² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235191851) 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 3 ways as a sum of consecutive naturals, for example, 217707078 + ... + 217707271.

It is an arithmetic number, because the mean of its divisors is an integer number (10667651575).

Almost surely, 2^42235191853 is an apocalyptic number.

It is an amenable number.

42235191853 is a deficient number, since it is larger than the sum of its proper divisors (435414447).

42235191853 is an equidigital number, since it uses as much as digits as its factorization.

42235191853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435414446.

The product of its digits is 259200, while the sum is 43.

The spelling of 42235191853 in words is "forty-two billion, two hundred thirty-five million, one hundred ninety-one thousand, eight hundred fifty-three".