42705717198 has 8 divisors (see below), whose sum is σ = 85411434408. Its totient is φ = 14235239064.

The previous prime is 42705717181. The next prime is 42705717217. The reversal of 42705717198 is 89171750724.

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

42705717198 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42705717198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3558809761 + ... + 3558809772.

It is an arithmetic number, because the mean of its divisors is an integer number (10676429301).

Almost surely, 2^42705717198 is an apocalyptic number.

42705717198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42705717198 is a wasteful number, since it uses less digits than its factorization.

42705717198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117619538.

The product of its (nonzero) digits is 987840, while the sum is 51.

The spelling of 42705717198 in words is "forty-two billion, seven hundred five million, seven hundred seventeen thousand, one hundred ninety-eight".