42189199 has 8 divisors (see below), whose sum is σ = 47410272. Its totient is φ = 37250400.

The previous prime is 42189193. The next prime is 42189209. The reversal of 42189199 is 99198124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42189199 - 2⁵ = 42189167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42189193) 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, 70252 + ... + 70849.

It is an arithmetic number, because the mean of its divisors is an integer number (5926284).

Almost surely, 2^42189199 is an apocalyptic number.

42189199 is a deficient number, since it is larger than the sum of its proper divisors (5221073).

42189199 is a wasteful number, since it uses less digits than its factorization.

42189199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141137.

The product of its digits is 46656, while the sum is 43.

The square root of 42189199 is about 6495.3213161475. The cubic root of 42189199 is about 348.1238356786.

The spelling of 42189199 in words is "forty-two million, one hundred eighty-nine thousand, one hundred ninety-nine".