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2643052873 is a prime number
BaseRepresentation
bin1001110110001001…
…1100100101001001
320211012100222221011
42131202130211021
520403110142443
61114133443521
7122332402336
oct23542344511
96735328834
102643052873
111136a3081a
126191a05a1
13331768216
141b104b98d
15107086b9d
hex9d89c949

2643052873 has 2 divisors, whose sum is σ = 2643052874. Its totient is φ = 2643052872.

The previous prime is 2643052871. The next prime is 2643052879. The reversal of 2643052873 is 3782503462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2314283449 + 328769424 = 48107^2 + 18132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2643052873 - 21 = 2643052871 is a prime.

Together with 2643052871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2643052871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321526436 + 1321526437.

It is an arithmetic number, because the mean of its divisors is an integer number (1321526437).

Almost surely, 22643052873 is an apocalyptic number.

It is an amenable number.

2643052873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643052873 is an equidigital number, since it uses as much as digits as its factorization.

2643052873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2643052873 is about 51410.6299611277. The cubic root of 2643052873 is about 1382.6171843286.

The spelling of 2643052873 in words is "two billion, six hundred forty-three million, fifty-two thousand, eight hundred seventy-three".