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6874880689 is a prime number
BaseRepresentation
bin1100110011100011…
…00101101010110001
3122202010022010100201
412121301211222301
5103034432140224
63054104315201
7332236343635
oct63161455261
918663263321
106874880689
112a08766686
1213ba472b01
13857408b51
144930aadc5
152a3851a44
hex199c65ab1

6874880689 has 2 divisors, whose sum is σ = 6874880690. Its totient is φ = 6874880688.

The previous prime is 6874880671. The next prime is 6874880717. The reversal of 6874880689 is 9860884786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6167746225 + 707134464 = 78535^2 + 26592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6874880689 is a prime.

It is a super-2 number, since 2×68748806892 = 94527968975970229442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6874880689.

It is not a weakly prime, because it can be changed into another prime (6874880629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437440344 + 3437440345.

It is an arithmetic number, because the mean of its divisors is an integer number (3437440345).

Almost surely, 26874880689 is an apocalyptic number.

It is an amenable number.

6874880689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874880689 is an equidigital number, since it uses as much as digits as its factorization.

6874880689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37158912, while the sum is 64.

The square root of 6874880689 is about 82914.9002833628. The cubic root of 6874880689 is about 1901.4652307035.

The spelling of 6874880689 in words is "six billion, eight hundred seventy-four million, eight hundred eighty thousand, six hundred eighty-nine".