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6488096861 is a prime number
BaseRepresentation
bin1100000101011100…
…01000000001011101
3121202011111110200202
412002232020001131
5101241423044421
62551450233245
7316531625201
oct60256100135
917664443622
106488096861
11282a3a8224
121310a25825
137c5243c8c
14457986b01
1527e8ee10b
hex182b8805d

6488096861 has 2 divisors, whose sum is σ = 6488096862. Its totient is φ = 6488096860.

The previous prime is 6488096851. The next prime is 6488096873. The reversal of 6488096861 is 1686908846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4228900900 + 2259195961 = 65030^2 + 47531^2 .

It is a cyclic number.

It is not a de Polignac number, because 6488096861 - 226 = 6420987997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6488096797 and 6488096806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6488096851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244048430 + 3244048431.

It is an arithmetic number, because the mean of its divisors is an integer number (3244048431).

Almost surely, 26488096861 is an apocalyptic number.

It is an amenable number.

6488096861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488096861 is an equidigital number, since it uses as much as digits as its factorization.

6488096861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 6488096861 is about 80548.7235218535. The cubic root of 6488096861 is about 1865.1156874668.

The spelling of 6488096861 in words is "six billion, four hundred eighty-eight million, ninety-six thousand, eight hundred sixty-one".