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6463090121 is a prime number
BaseRepresentation
bin1100000010011101…
…01110110111001001
3121200102102222220012
412001032232313021
5101214022340441
62545154241305
7316106234225
oct60116566711
917612388805
106463090121
1128172782a4
121304586235
137bccc99a7
14454517785
1527c60e9eb
hex1813aedc9

6463090121 has 2 divisors, whose sum is σ = 6463090122. Its totient is φ = 6463090120.

The previous prime is 6463090099. The next prime is 6463090163. The reversal of 6463090121 is 1210903646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4929584521 + 1533505600 = 70211^2 + 39160^2 .

It is a cyclic number.

It is not a de Polignac number, because 6463090121 - 226 = 6395981257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6463096121) 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, 3231545060 + 3231545061.

It is an arithmetic number, because the mean of its divisors is an integer number (3231545061).

Almost surely, 26463090121 is an apocalyptic number.

It is an amenable number.

6463090121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6463090121 is an equidigital number, since it uses as much as digits as its factorization.

6463090121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6463090121 is about 80393.3462483059. The cubic root of 6463090121 is about 1862.7163956548.

Adding to 6463090121 its reverse (1210903646), we get a palindrome (7673993767).

The spelling of 6463090121 in words is "six billion, four hundred sixty-three million, ninety thousand, one hundred twenty-one".