42043560733 has 4 divisors (see below), whose sum is σ = 42156278428. Its totient is φ = 41930843040.

The previous prime is 42043560731. The next prime is 42043560739. The reversal of 42043560733 is 33706534024.

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 30901069369 + 11142491364 = 175787^2 + 105558^2 .

It is a cyclic number.

It is not a de Polignac number, because 42043560733 - 2¹ = 42043560731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42043560692 and 42043560701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043560731) 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, 56358288 + ... + 56359033.

It is an arithmetic number, because the mean of its divisors is an integer number (10539069607).

Almost surely, 2^42043560733 is an apocalyptic number.

It is an amenable number.

42043560733 is a deficient number, since it is larger than the sum of its proper divisors (112717695).

42043560733 is a wasteful number, since it uses less digits than its factorization.

42043560733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112717694.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 42043560733 in words is "forty-two billion, forty-three million, five hundred sixty thousand, seven hundred thirty-three".