42906845575609 has 4 divisors (see below), whose sum is σ = 42907395903604. Its totient is φ = 42906295247616.

The previous prime is 42906845575579. The next prime is 42906845575631. The reversal of 42906845575609 is 90657554860924.

42906845575609 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.

It can be written as a sum of positive squares in 2 ways, for example, as 24554532294009 + 18352313281600 = 4955253^2 + 4283960^2 .

It is a cyclic number.

It is not a de Polignac number, because 42906845575609 - 2¹⁷ = 42906845444537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42906845573609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275047032 + ... + 275202985.

It is an arithmetic number, because the mean of its divisors is an integer number (10726848975901).

Almost surely, 2^{42906845575609} is an apocalyptic number.

It is an amenable number.

42906845575609 is a deficient number, since it is larger than the sum of its proper divisors (550327995).

42906845575609 is an equidigital number, since it uses as much as digits as its factorization.

42906845575609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550327994.

The product of its (nonzero) digits is 653184000, while the sum is 70.

The spelling of 42906845575609 in words is "forty-two trillion, nine hundred six billion, eight hundred forty-five million, five hundred seventy-five thousand, six hundred nine".