199000969 has 4 divisors (see below), whose sum is σ = 199029780. Its totient is φ = 198972160.

The previous prime is 199000957. The next prime is 199000981. The reversal of 199000969 is 969000991.

199000969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (199000957) and next prime (199000981).

It can be written as a sum of positive squares in 2 ways, for example, as 49843600 + 149157369 = 7060^2 + 12213^2 .

It is a cyclic number.

It is not a de Polignac number, because 199000969 - 2⁹ = 199000457 is a prime.

It is a super-2 number, since 2×199000969² = 79202771325877922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199000469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829 + ... + 20149.

It is an arithmetic number, because the mean of its divisors is an integer number (49757445).

Almost surely, 2^199000969 is an apocalyptic number.

It is an amenable number.

199000969 is a deficient number, since it is larger than the sum of its proper divisors (28811).

199000969 is a wasteful number, since it uses less digits than its factorization.

199000969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28810.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 199000969 is about 14106.7703249185. The cubic root of 199000969 is about 583.8281936990.

The spelling of 199000969 in words is "one hundred ninety-nine million, nine hundred sixty-nine", and thus it is an aban number.