19923763199 has 8 divisors (see below), whose sum is σ = 20221654992. Its totient is φ = 19626546240.

The previous prime is 19923763177. The next prime is 19923763201. The reversal of 19923763199 is 99136732991.

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

It is a cyclic number.

It is not a de Polignac number, because 19923763199 - 2¹² = 19923759103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19923763099) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 109064 + ... + 227469.

It is an arithmetic number, because the mean of its divisors is an integer number (2527706874).

Almost surely, 2^19923763199 is an apocalyptic number.

19923763199 is a deficient number, since it is larger than the sum of its proper divisors (297891793).

19923763199 is an equidigital number, since it uses as much as digits as its factorization.

19923763199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337417.

The product of its digits is 4960116, while the sum is 59.

The spelling of 19923763199 in words is "nineteen billion, nine hundred twenty-three million, seven hundred sixty-three thousand, one hundred ninety-nine".