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4209054169 is a prime number
BaseRepresentation
bin1111101011100001…
…0001000111011001
3101212100002002212011
43322320101013121
532110004213134
61533354345521
7206206240645
oct37270210731
911770062764
104209054169
11186a9a0771
1299572b2a1
13521028bc8
142bd011c25
151997bc264
hexfae111d9

4209054169 has 2 divisors, whose sum is σ = 4209054170. Its totient is φ = 4209054168.

The previous prime is 4209054061. The next prime is 4209054253. The reversal of 4209054169 is 9614509024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3774873600 + 434180569 = 61440^2 + 20837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4209054169 is a prime.

It is a super-2 number, since 2×42090541692 = 35432273995152561122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4209054869) 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, 2104527084 + 2104527085.

It is an arithmetic number, because the mean of its divisors is an integer number (2104527085).

Almost surely, 24209054169 is an apocalyptic number.

It is an amenable number.

4209054169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4209054169 is an equidigital number, since it uses as much as digits as its factorization.

4209054169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 4209054169 is about 64877.2238077432. The cubic root of 4209054169 is about 1614.5871992716.

The spelling of 4209054169 in words is "four billion, two hundred nine million, fifty-four thousand, one hundred sixty-nine".