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1443410421809 is a prime number
BaseRepresentation
bin10101000000010001111…
…101110010100000110001
312002222200202100201012012
4111000101331302200301
5142122101031444214
63023032114412305
7206166025102406
oct25002175624061
95088622321165
101443410421809
1150716860a754
121b38ab291095
13a61613c0ab5
144dc0bad82ad
152782e25c03e
hex15011f72831

1443410421809 has 2 divisors, whose sum is σ = 1443410421810. Its totient is φ = 1443410421808.

The previous prime is 1443410421787. The next prime is 1443410421829. The reversal of 1443410421809 is 9081240143441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238357224225 + 205053197584 = 1112815^2 + 452828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1443410421809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1443410421829) 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, 721705210904 + 721705210905.

It is an arithmetic number, because the mean of its divisors is an integer number (721705210905).

Almost surely, 21443410421809 is an apocalyptic number.

It is an amenable number.

1443410421809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443410421809 is an equidigital number, since it uses as much as digits as its factorization.

1443410421809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 1443410421809 in words is "one trillion, four hundred forty-three billion, four hundred ten million, four hundred twenty-one thousand, eight hundred nine".