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6681089579 is a prime number
BaseRepresentation
bin1100011100011100…
…10101011000101011
3122020121122111221012
412032032111120223
5102140324331304
63022542534135
7324364216163
oct61616253053
918217574835
106681089579
11291933453a
12136559734b
13826216958
144754635a3
1529182216e
hex18e39562b

6681089579 has 2 divisors, whose sum is σ = 6681089580. Its totient is φ = 6681089578.

The previous prime is 6681089561. The next prime is 6681089609. The reversal of 6681089579 is 9759801866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6681089579 - 216 = 6681024043 is a prime.

It is not a weakly prime, because it can be changed into another prime (6681089479) 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, 3340544789 + 3340544790.

It is an arithmetic number, because the mean of its divisors is an integer number (3340544790).

Almost surely, 26681089579 is an apocalyptic number.

6681089579 is a deficient number, since it is larger than the sum of its proper divisors (1).

6681089579 is an equidigital number, since it uses as much as digits as its factorization.

6681089579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 6681089579 is about 81737.9323141955. The cubic root of 6681089579 is about 1883.4283281780.

The spelling of 6681089579 in words is "six billion, six hundred eighty-one million, eighty-nine thousand, five hundred seventy-nine".