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6564465533 is a prime number
BaseRepresentation
bin1100001110100010…
…11100101101111101
3121221111012101211002
412013101130231331
5101421000344113
63003215140045
7321450015323
oct60721345575
917844171732
106564465533
11286951912a
121332514625
13808002542
14463b85d13
15286486c58
hex18745cb7d

6564465533 has 2 divisors, whose sum is σ = 6564465534. Its totient is φ = 6564465532.

The previous prime is 6564465517. The next prime is 6564465539. The reversal of 6564465533 is 3355644656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5241470404 + 1322995129 = 72398^2 + 36373^2 .

It is a cyclic number.

It is not a de Polignac number, because 6564465533 - 24 = 6564465517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6564465539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282232766 + 3282232767.

It is an arithmetic number, because the mean of its divisors is an integer number (3282232767).

Almost surely, 26564465533 is an apocalyptic number.

It is an amenable number.

6564465533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6564465533 is an equidigital number, since it uses as much as digits as its factorization.

6564465533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 47.

The square root of 6564465533 is about 81021.3893549105. The cubic root of 6564465533 is about 1872.4049940300.

The spelling of 6564465533 in words is "six billion, five hundred sixty-four million, four hundred sixty-five thousand, five hundred thirty-three".