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6946109249 is a prime number
BaseRepresentation
bin1100111100000010…
…10011011101000001
3122221002022220120112
412132001103131001
5103211200443444
63105131121105
7334062645242
oct63601233501
918832286515
106946109249
112a44996762
12141a2a3195
138690b7921
1449c72ccc9
152a9c2169e
hex19e053741

6946109249 has 2 divisors, whose sum is σ = 6946109250. Its totient is φ = 6946109248.

The previous prime is 6946109143. The next prime is 6946109279. The reversal of 6946109249 is 9429016496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4528617025 + 2417492224 = 67295^2 + 49168^2 .

It is a cyclic number.

It is not a de Polignac number, because 6946109249 - 28 = 6946108993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6946109197 and 6946109206.

It is not a weakly prime, because it can be changed into another prime (6946109279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473054624 + 3473054625.

It is an arithmetic number, because the mean of its divisors is an integer number (3473054625).

Almost surely, 26946109249 is an apocalyptic number.

It is an amenable number.

6946109249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946109249 is an equidigital number, since it uses as much as digits as its factorization.

6946109249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 6946109249 is about 83343.3215620784. The cubic root of 6946109249 is about 1908.0095167797.

The spelling of 6946109249 in words is "six billion, nine hundred forty-six million, one hundred nine thousand, two hundred forty-nine".