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7638010489 is a prime number
BaseRepresentation
bin1110001110100001…
…01100101001111001
3201201022021010122101
413013100230221321
5111120312313424
63301525023401
7360164006104
oct70720545171
921638233571
107638010489
11326a50436a
121591b54b61
1394954c945
1452659973b
152ea844344
hex1c742ca79

7638010489 has 2 divisors, whose sum is σ = 7638010490. Its totient is φ = 7638010488.

The previous prime is 7638010463. The next prime is 7638010511. The reversal of 7638010489 is 9840108367.

It is a happy number.

7638010489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5169610000 + 2468400489 = 71900^2 + 49683^2 .

It is a cyclic number.

It is not a de Polignac number, because 7638010489 - 213 = 7638002297 is a prime.

It is not a weakly prime, because it can be changed into another prime (7638010439) 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, 3819005244 + 3819005245.

It is an arithmetic number, because the mean of its divisors is an integer number (3819005245).

Almost surely, 27638010489 is an apocalyptic number.

It is an amenable number.

7638010489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7638010489 is an equidigital number, since it uses as much as digits as its factorization.

7638010489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 7638010489 is about 87395.7120744491. The cubic root of 7638010489 is about 1969.3674254566.

The spelling of 7638010489 in words is "seven billion, six hundred thirty-eight million, ten thousand, four hundred eighty-nine".