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469898069 is a prime number
BaseRepresentation
bin11100000000100…
…001001101010101
31012202012021222012
4130000201031111
51430243214234
6114343314005
714434032134
oct3400411525
91182167865
10469898069
11221277413
1211144b905
13764758c4
144659b91b
152b3be0ce
hex1c021355

469898069 has 2 divisors, whose sum is σ = 469898070. Its totient is φ = 469898068.

The previous prime is 469898059. The next prime is 469898123. The reversal of 469898069 is 960898964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442597444 + 27300625 = 21038^2 + 5225^2 .

It is a cyclic number.

It is not a de Polignac number, because 469898069 - 216 = 469832533 is a prime.

It is a super-2 number, since 2×4698980692 = 441608390499857522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 469897999 and 469898017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469898059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234949034 + 234949035.

It is an arithmetic number, because the mean of its divisors is an integer number (234949035).

Almost surely, 2469898069 is an apocalyptic number.

It is an amenable number.

469898069 is a deficient number, since it is larger than the sum of its proper divisors (1).

469898069 is an equidigital number, since it uses as much as digits as its factorization.

469898069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The square root of 469898069 is about 21677.1323979903. The cubic root of 469898069 is about 777.4417991814.

The spelling of 469898069 in words is "four hundred sixty-nine million, eight hundred ninety-eight thousand, sixty-nine".