42239354689 has 8 divisors (see below), whose sum is σ = 50814261440. Its totient is φ = 34299626256.

The previous prime is 42239354671. The next prime is 42239354701. The reversal of 42239354689 is 98645393224.

42239354689 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 42239354689 - 2²⁵ = 42205800257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42239354189) 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, 158794434 + ... + 158794699.

It is an arithmetic number, because the mean of its divisors is an integer number (6351782680).

Almost surely, 2^42239354689 is an apocalyptic number.

It is an amenable number.

42239354689 is a deficient number, since it is larger than the sum of its proper divisors (8574906751).

42239354689 is a wasteful number, since it uses less digits than its factorization.

42239354689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317589159.

The product of its digits is 11197440, while the sum is 55.

The spelling of 42239354689 in words is "forty-two billion, two hundred thirty-nine million, three hundred fifty-four thousand, six hundred eighty-nine".