42235403533 has 4 divisors (see below), whose sum is σ = 42244331868. Its totient is φ = 42226475200.

The previous prime is 42235403503. The next prime is 42235403543. The reversal of 42235403533 is 33530453224.

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 5370251524 + 36865152009 = 73282^2 + 192003^2 .

It is a cyclic number.

It is not a de Polignac number, because 42235403533 - 2¹³ = 42235395341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235403503) 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, 4457068 + ... + 4466533.

It is an arithmetic number, because the mean of its divisors is an integer number (10561082967).

Almost surely, 2^42235403533 is an apocalyptic number.

It is an amenable number.

42235403533 is a deficient number, since it is larger than the sum of its proper divisors (8928335).

42235403533 is an equidigital number, since it uses as much as digits as its factorization.

42235403533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928334.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 42235403533 its reverse (33530453224), we get a palindrome (75765856757).

The spelling of 42235403533 in words is "forty-two billion, two hundred thirty-five million, four hundred three thousand, five hundred thirty-three".