42170237641 has 8 divisors (see below), whose sum is σ = 48562455744. Its totient is φ = 35869994160.

The previous prime is 42170237609. The next prime is 42170237663. The reversal of 42170237641 is 14673207124.

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

It is not a de Polignac number, because 42170237641 - 2⁵ = 42170237609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42170237641.

It is not an unprimeable number, because it can be changed into a prime (42170237671) 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, 22992670 + ... + 22994503.

It is an arithmetic number, because the mean of its divisors is an integer number (6070306968).

Almost surely, 2^42170237641 is an apocalyptic number.

It is an amenable number.

42170237641 is a deficient number, since it is larger than the sum of its proper divisors (6392218103).

42170237641 is a wasteful number, since it uses less digits than its factorization.

42170237641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45987311.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 42170237641 in words is "forty-two billion, one hundred seventy million, two hundred thirty-seven thousand, six hundred forty-one".