19695938214 has 8 divisors (see below), whose sum is σ = 39391876440. Its totient is φ = 6565312736.

The previous prime is 19695938191. The next prime is 19695938219. The reversal of 19695938214 is 41283959691.

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

19695938214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19695938219) 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 3 ways as a sum of consecutive naturals, for example, 1641328179 + ... + 1641328190.

It is an arithmetic number, because the mean of its divisors is an integer number (4923984555).

Almost surely, 2^19695938214 is an apocalyptic number.

19695938214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19695938214 is a wasteful number, since it uses less digits than its factorization.

19695938214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282656374.

The product of its digits is 4199040, while the sum is 57.

The spelling of 19695938214 in words is "nineteen billion, six hundred ninety-five million, nine hundred thirty-eight thousand, two hundred fourteen".