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6488461663 is a prime number
BaseRepresentation
bin1100000101011111…
…00001000101011111
3121202012012000002221
412002233201011133
5101242021233123
62551502130211
7316535004565
oct60257410537
917665160087
106488461663
11282a627312
121310b80967
137c5341038
14457a3da35
1527e97225d
hex182be115f

6488461663 has 2 divisors, whose sum is σ = 6488461664. Its totient is φ = 6488461662.

The previous prime is 6488461649. The next prime is 6488461787. The reversal of 6488461663 is 3661648846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6488461663 - 213 = 6488453471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6488461663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6488461613) 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, 3244230831 + 3244230832.

It is an arithmetic number, because the mean of its divisors is an integer number (3244230832).

Almost surely, 26488461663 is an apocalyptic number.

6488461663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488461663 is an equidigital number, since it uses as much as digits as its factorization.

6488461663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 52.

The square root of 6488461663 is about 80550.9879703533. The cubic root of 6488461663 is about 1865.1506430270.

The spelling of 6488461663 in words is "six billion, four hundred eighty-eight million, four hundred sixty-one thousand, six hundred sixty-three".