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4285404509 is a prime number
BaseRepresentation
bin1111111101101110…
…0001010101011101
3102001122202002211112
43333123201111131
532234030421014
61545123031405
7211124223461
oct37733412535
912048662745
104285404509
1118a9aa9921
129b720b565
13533aac019
142c92084a1
151a134e73e
hexff6e155d

4285404509 has 2 divisors, whose sum is σ = 4285404510. Its totient is φ = 4285404508.

The previous prime is 4285404503. The next prime is 4285404521. The reversal of 4285404509 is 9054045824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560663609 + 1724740900 = 50603^2 + 41530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4285404509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4285404503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142702254 + 2142702255.

It is an arithmetic number, because the mean of its divisors is an integer number (2142702255).

Almost surely, 24285404509 is an apocalyptic number.

It is an amenable number.

4285404509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4285404509 is an equidigital number, since it uses as much as digits as its factorization.

4285404509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 4285404509 is about 65463.0010693063. The cubic root of 4285404509 is about 1624.2913844820.

The spelling of 4285404509 in words is "four billion, two hundred eighty-five million, four hundred four thousand, five hundred nine".