199996091069 has 2 divisors, whose sum is σ = 199996091070. Its totient is φ = 199996091068.

The previous prime is 199996091047. The next prime is 199996091101. The reversal of 199996091069 is 960190699991.

199996091069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119446272100 + 80549818969 = 345610^2 + 283813^2 .

It is a cyclic number.

It is not a de Polignac number, because 199996091069 - 2¹² = 199996086973 is a prime.

It is a super-2 number, since 2×199996091069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199996091969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99998045534 + 99998045535.

It is an arithmetic number, because the mean of its divisors is an integer number (99998045535).

Almost surely, 2^199996091069 is an apocalyptic number.

It is an amenable number.

199996091069 is a deficient number, since it is larger than the sum of its proper divisors (1).

199996091069 is an equidigital number, since it uses as much as digits as its factorization.

199996091069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19131876, while the sum is 68.

The spelling of 199996091069 in words is "one hundred ninety-nine billion, nine hundred ninety-six million, ninety-one thousand, sixty-nine".