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4471309949 is a prime number
BaseRepresentation
bin1000010101000001…
…01100011001111101
3102112121120002011012
410022200230121331
533124123404244
62015403405005
7215542336031
oct41240543175
912477502135
104471309949
111994a35387
12a49523765
1356346cb42
14305b9c1c1
151b282289e
hex10a82c67d

4471309949 has 2 divisors, whose sum is σ = 4471309950. Its totient is φ = 4471309948.

The previous prime is 4471309903. The next prime is 4471309993. The reversal of 4471309949 is 9499031744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2308129849 + 2163180100 = 48043^2 + 46510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4471309949 - 232 = 176342653 is a prime.

It is a super-2 number, since 2×44713099492 = 39985225320052765202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4471309897 and 4471309906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4471308949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235654974 + 2235654975.

It is an arithmetic number, because the mean of its divisors is an integer number (2235654975).

Almost surely, 24471309949 is an apocalyptic number.

It is an amenable number.

4471309949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4471309949 is an equidigital number, since it uses as much as digits as its factorization.

4471309949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 4471309949 is about 66867.8543771220. The cubic root of 4471309949 is about 1647.4475317924.

The spelling of 4471309949 in words is "four billion, four hundred seventy-one million, three hundred nine thousand, nine hundred forty-nine".