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4284381389 is a prime number
BaseRepresentation
bin1111111101011110…
…0111100011001101
3102001120211010101012
43333113213203031
532233300201024
61545045055005
7211112432561
oct37727474315
912046733335
104284381389
1118a9470172
129b69b7465
13533811422
142c901d6a1
151a11eb50e
hexff5e78cd

4284381389 has 2 divisors, whose sum is σ = 4284381390. Its totient is φ = 4284381388.

The previous prime is 4284381377. The next prime is 4284381391. The reversal of 4284381389 is 9831834824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3730155625 + 554225764 = 61075^2 + 23542^2 .

It is a cyclic number.

It is not a de Polignac number, because 4284381389 - 216 = 4284315853 is a prime.

Together with 4284381391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4284381349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142190694 + 2142190695.

It is an arithmetic number, because the mean of its divisors is an integer number (2142190695).

Almost surely, 24284381389 is an apocalyptic number.

It is an amenable number.

4284381389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4284381389 is an equidigital number, since it uses as much as digits as its factorization.

4284381389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The square root of 4284381389 is about 65455.1861123318. The cubic root of 4284381389 is about 1624.1621102390.

The spelling of 4284381389 in words is "four billion, two hundred eighty-four million, three hundred eighty-one thousand, three hundred eighty-nine".