199711073 has 2 divisors, whose sum is σ = 199711074. Its totient is φ = 199711072.

The previous prime is 199711067. The next prime is 199711079. The reversal of 199711073 is 370117991.

It is a balanced prime because it is at equal distance from previous prime (199711067) and next prime (199711079).

It can be written as a sum of positive squares in only one way, i.e., 160985344 + 38725729 = 12688^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 199711073 - 2⁶ = 199711009 is a prime.

It is a super-2 number, since 2×199711073² = 79769025357622658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (199711079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99855536 + 99855537.

It is an arithmetic number, because the mean of its divisors is an integer number (99855537).

Almost surely, 2^199711073 is an apocalyptic number.

It is an amenable number.

199711073 is a deficient number, since it is larger than the sum of its proper divisors (1).

199711073 is an equidigital number, since it uses as much as digits as its factorization.

199711073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 38.

The square root of 199711073 is about 14131.9168197382. The cubic root of 199711073 is about 584.5218027018.

The spelling of 199711073 in words is "one hundred ninety-nine million, seven hundred eleven thousand, seventy-three".