19992115183 has 2 divisors, whose sum is σ = 19992115184. Its totient is φ = 19992115182.

The previous prime is 19992115163. The next prime is 19992115201. The reversal of 19992115183 is 38151129991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19992115183 - 2⁵ = 19992115151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19992115103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9996057591 + 9996057592.

It is an arithmetic number, because the mean of its divisors is an integer number (9996057592).

Almost surely, 2^19992115183 is an apocalyptic number.

19992115183 is a deficient number, since it is larger than the sum of its proper divisors (1).

19992115183 is an equidigital number, since it uses as much as digits as its factorization.

19992115183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 49.

The spelling of 19992115183 in words is "nineteen billion, nine hundred ninety-two million, one hundred fifteen thousand, one hundred eighty-three".