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199000469 is a prime number
BaseRepresentation
bin10111101110010…
…00000110010101
3111212110021022202
423313020012111
5401421003334
631425134245
74634322203
oct1367100625
9455407282
10199000469
11a236aaa8
125678a385
13322c7375
141c602073
151270d17e
hexbdc8195

199000469 has 2 divisors, whose sum is σ = 199000470. Its totient is φ = 199000468.

The previous prime is 199000457. The next prime is 199000481. The reversal of 199000469 is 964000991.

199000469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (199000457) and next prime (199000481).

It can be written as a sum of positive squares in only one way, i.e., 193571569 + 5428900 = 13913^2 + 2330^2 .

It is an emirp because it is prime and its reverse (964000991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-199000469 is a prime.

It is a super-2 number, since 2×1990004692 = 79202373324439922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199000499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99500234 + 99500235.

It is an arithmetic number, because the mean of its divisors is an integer number (99500235).

Almost surely, 2199000469 is an apocalyptic number.

It is an amenable number.

199000469 is a deficient number, since it is larger than the sum of its proper divisors (1).

199000469 is an equidigital number, since it uses as much as digits as its factorization.

199000469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 199000469 is about 14106.7526029203. The cubic root of 199000469 is about 583.8277047326.

The spelling of 199000469 in words is "one hundred ninety-nine million, four hundred sixty-nine", and thus it is an aban number.