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6468545263 is a prime number
BaseRepresentation
bin1100000011000111…
…00010101011101111
3121200210201010221111
412001203202223233
5101221421422023
62545511212451
7316203504355
oct60143425357
917623633844
106468545263
11281a363884
121306377127
137c118999b
144551377d5
1527cd3b00d
hex1818e2aef

6468545263 has 2 divisors, whose sum is σ = 6468545264. Its totient is φ = 6468545262.

The previous prime is 6468545261. The next prime is 6468545297. The reversal of 6468545263 is 3625458646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6468545263 - 21 = 6468545261 is a prime.

Together with 6468545261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6468545261) 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, 3234272631 + 3234272632.

It is an arithmetic number, because the mean of its divisors is an integer number (3234272632).

Almost surely, 26468545263 is an apocalyptic number.

6468545263 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468545263 is an equidigital number, since it uses as much as digits as its factorization.

6468545263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 49.

The square root of 6468545263 is about 80427.2669124097. The cubic root of 6468545263 is about 1863.2403207280.

The spelling of 6468545263 in words is "six billion, four hundred sixty-eight million, five hundred forty-five thousand, two hundred sixty-three".