19922199686 has 8 divisors (see below), whose sum is σ = 29893623480. Its totient is φ = 9957658528.

The previous prime is 19922199653. The next prime is 19922199721. The reversal of 19922199686 is 68699122991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713416 + ... + 1725003.

It is an arithmetic number, because the mean of its divisors is an integer number (3736702935).

Almost surely, 2^19922199686 is an apocalyptic number.

19922199686 is a deficient number, since it is larger than the sum of its proper divisors (9971423794).

19922199686 is a wasteful number, since it uses less digits than its factorization.

19922199686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441318.

The product of its digits is 7558272, while the sum is 62.

The spelling of 19922199686 in words is "nineteen billion, nine hundred twenty-two million, one hundred ninety-nine thousand, six hundred eighty-six".