42538889174 has 4 divisors (see below), whose sum is σ = 63808333764. Its totient is φ = 21269444586.

The previous prime is 42538889143. The next prime is 42538889189. The reversal of 42538889174 is 47198883524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10634722292 + ... + 10634722295.

It is an arithmetic number, because the mean of its divisors is an integer number (15952083441).

Almost surely, 2^42538889174 is an apocalyptic number.

42538889174 is a deficient number, since it is larger than the sum of its proper divisors (21269444590).

42538889174 is a wasteful number, since it uses less digits than its factorization.

42538889174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269444589.

The product of its digits is 15482880, while the sum is 59.

The spelling of 42538889174 in words is "forty-two billion, five hundred thirty-eight million, eight hundred eighty-nine thousand, one hundred seventy-four".