17942394216230 has 32 divisors (see below), whose sum is σ = 35260322388480. Its totient is φ = 6519324644320.

The previous prime is 17942394216217. The next prime is 17942394216233. The reversal of 17942394216230 is 3261249324971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17942394216233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64640174 + ... + 64917153.

It is an arithmetic number, because the mean of its divisors is an integer number (1101885074640).

Almost surely, 2^{17942394216230} is an apocalyptic number.

17942394216230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17942394216230 is a deficient number, since it is larger than the sum of its proper divisors (17317928172250).

17942394216230 is a wasteful number, since it uses less digits than its factorization.

17942394216230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129558604.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 17942394216230 in words is "seventeen trillion, nine hundred forty-two billion, three hundred ninety-four million, two hundred sixteen thousand, two hundred thirty".