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8474084669 is a prime number
BaseRepresentation
bin1111110010001100…
…00100010100111101
3210212120111002210202
413321012010110331
5114323331202134
63520513013245
7416665350131
oct77106042475
923776432722
108474084669
113659444266
121785b54225
13a508234ab
145a56353c1
15348e44d7e
hex1f918453d

8474084669 has 2 divisors, whose sum is σ = 8474084670. Its totient is φ = 8474084668.

The previous prime is 8474084659. The next prime is 8474084699. The reversal of 8474084669 is 9664804748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8376825625 + 97259044 = 91525^2 + 9862^2 .

It is a cyclic number.

It is not a de Polignac number, because 8474084669 - 228 = 8205649213 is a prime.

It is a super-2 number, since 2×84740846692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8474084659) 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, 4237042334 + 4237042335.

It is an arithmetic number, because the mean of its divisors is an integer number (4237042335).

Almost surely, 28474084669 is an apocalyptic number.

It is an amenable number.

8474084669 is a deficient number, since it is larger than the sum of its proper divisors (1).

8474084669 is an equidigital number, since it uses as much as digits as its factorization.

8474084669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The square root of 8474084669 is about 92054.7916677888. The cubic root of 8474084669 is about 2038.7513720225.

The spelling of 8474084669 in words is "eight billion, four hundred seventy-four million, eighty-four thousand, six hundred sixty-nine".