42642969198 has 16 divisors (see below), whose sum is σ = 85294581120. Its totient is φ = 14212882616.

The previous prime is 42642969139. The next prime is 42642969203. The reversal of 42642969198 is 89196924624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295068 + ... + 415151.

It is an arithmetic number, because the mean of its divisors is an integer number (5330911320).

Almost surely, 2^42642969198 is an apocalyptic number.

42642969198 is an abundant number, since it is smaller than the sum of its proper divisors (42651611922).

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

42642969198 is a wasteful number, since it uses less digits than its factorization.

42642969198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720231.

The product of its digits is 13436928, while the sum is 60.

The spelling of 42642969198 in words is "forty-two billion, six hundred forty-two million, nine hundred sixty-nine thousand, one hundred ninety-eight".