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6780580489 is a prime number
BaseRepresentation
bin1100101000010011…
…10111001010001001
3122111112212011210201
412110021313022021
5102341312033424
63040455212201
7330012661144
oct62411671211
918445764721
106780580489
11296a508531
121392977061
13840a0c807
1448476105b
1529a425d44
hex194277289

6780580489 has 2 divisors, whose sum is σ = 6780580490. Its totient is φ = 6780580488.

The previous prime is 6780580453. The next prime is 6780580501. The reversal of 6780580489 is 9840850876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6041175625 + 739404864 = 77725^2 + 27192^2 .

It is a cyclic number.

It is not a de Polignac number, because 6780580489 - 219 = 6780056201 is a prime.

It is not a weakly prime, because it can be changed into another prime (6780580589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390290244 + 3390290245.

It is an arithmetic number, because the mean of its divisors is an integer number (3390290245).

Almost surely, 26780580489 is an apocalyptic number.

It is an amenable number.

6780580489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6780580489 is an equidigital number, since it uses as much as digits as its factorization.

6780580489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 6780580489 is about 82344.2802445926. The cubic root of 6780580489 is about 1892.7312758298.

The spelling of 6780580489 in words is "six billion, seven hundred eighty million, five hundred eighty thousand, four hundred eighty-nine".