42835390133 has 4 divisors (see below), whose sum is σ = 43880155788. Its totient is φ = 41790624480.

The previous prime is 42835390121. The next prime is 42835390193. The reversal of 42835390133 is 33109353824.

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 8015083729 + 34820306404 = 89527^2 + 186602^2 .

It is a cyclic number.

It is not a de Polignac number, because 42835390133 - 2⁶ = 42835390069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1044765613 = 42835390133 / (4 + 2 + 8 + 3 + 5 + 3 + 9 + 0 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42835390193) 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, 522382766 + ... + 522382847.

It is an arithmetic number, because the mean of its divisors is an integer number (10970038947).

Almost surely, 2^42835390133 is an apocalyptic number.

It is an amenable number.

42835390133 is a deficient number, since it is larger than the sum of its proper divisors (1044765655).

42835390133 is a wasteful number, since it uses less digits than its factorization.

42835390133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044765654.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 42835390133 in words is "forty-two billion, eight hundred thirty-five million, three hundred ninety thousand, one hundred thirty-three".