42083640789 has 8 divisors (see below), whose sum is σ = 57628048800. Its totient is φ = 27297496656.

The previous prime is 42083640779. The next prime is 42083640791. The reversal of 42083640789 is 98704638024.

42083640789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42083640789 - 2⁵ = 42083640757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42083640779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189565839 + ... + 189566060.

It is an arithmetic number, because the mean of its divisors is an integer number (7203506100).

Almost surely, 2^42083640789 is an apocalyptic number.

It is an amenable number.

42083640789 is a deficient number, since it is larger than the sum of its proper divisors (15544408011).

42083640789 is a wasteful number, since it uses less digits than its factorization.

42083640789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379131939.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 42083640789 in words is "forty-two billion, eighty-three million, six hundred forty thousand, seven hundred eighty-nine".