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1066866908479 is a prime number
BaseRepresentation
bin11111000011001100011…
…10010001110100111111
310202222202210022022202221
433201212032101310333
5114434420412032404
62134040100230211
7140035646045041
oct17414616216477
93688683268687
101066866908479
11381501613a29
1215292369b367
13797b359cc88
14398caccda91
151cb41c93954
hexf866391d3f

1066866908479 has 2 divisors, whose sum is σ = 1066866908480. Its totient is φ = 1066866908478.

The previous prime is 1066866908449. The next prime is 1066866908501. The reversal of 1066866908479 is 9748096686601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066866908479 - 211 = 1066866906431 is a prime.

It is a super-2 number, since 2×10668669084792 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066866908449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533433454239 + 533433454240.

It is an arithmetic number, because the mean of its divisors is an integer number (533433454240).

Almost surely, 21066866908479 is an apocalyptic number.

1066866908479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066866908479 is an equidigital number, since it uses as much as digits as its factorization.

1066866908479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 1066866908479 in words is "one trillion, sixty-six billion, eight hundred sixty-six million, nine hundred eight thousand, four hundred seventy-nine".