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1068685818479 is a prime number
BaseRepresentation
bin11111000110100101010…
…00110111101001101111
310210011110112220112012222
433203102220313221233
5120002132032142404
62134540353545555
7140132013401456
oct17432250675157
93704415815188
101068685818479
11382255313a34
121531508752bb
1379a13381296
1439a206c9b9d
151cbeb7d4dbe
hexf8d2a37a6f

1068685818479 has 2 divisors, whose sum is σ = 1068685818480. Its totient is φ = 1068685818478.

The previous prime is 1068685818457. The next prime is 1068685818523. The reversal of 1068685818479 is 9748185868601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1068685818479 - 224 = 1068669041263 is a prime.

It is a super-2 number, since 2×10686858184792 (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 (1068685818379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534342909239 + 534342909240.

It is an arithmetic number, because the mean of its divisors is an integer number (534342909240).

Almost surely, 21068685818479 is an apocalyptic number.

1068685818479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068685818479 is an equidigital number, since it uses as much as digits as its factorization.

1068685818479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185794560, while the sum is 71.

The spelling of 1068685818479 in words is "one trillion, sixty-eight billion, six hundred eighty-five million, eight hundred eighteen thousand, four hundred seventy-nine".