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6955968169 is a prime number
BaseRepresentation
bin1100111101001101…
…11010011010101001
3122221202212210110201
412132212322122221
5103221211440134
63110122312201
7334242516403
oct63646723251
918852783421
106955968169
112a4a50a927
121421658661
1386b15a1c7
1449db77b73
152aaa1c914
hex19e9ba6a9

6955968169 has 2 divisors, whose sum is σ = 6955968170. Its totient is φ = 6955968168.

The previous prime is 6955968167. The next prime is 6955968179. The reversal of 6955968169 is 9618695596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6416010000 + 539958169 = 80100^2 + 23237^2 .

It is a cyclic number.

It is not a de Polignac number, because 6955968169 - 21 = 6955968167 is a prime.

It is a super-2 number, since 2×69559681692 = 96770986336282425122, which contains 22 as substring.

Together with 6955968167, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6955968169.

It is not a weakly prime, because it can be changed into another prime (6955968161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477984084 + 3477984085.

It is an arithmetic number, because the mean of its divisors is an integer number (3477984085).

Almost surely, 26955968169 is an apocalyptic number.

It is an amenable number.

6955968169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6955968169 is an equidigital number, since it uses as much as digits as its factorization.

6955968169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31492800, while the sum is 64.

The square root of 6955968169 is about 83402.4470204562. The cubic root of 6955968169 is about 1908.9117974571.

The spelling of 6955968169 in words is "six billion, nine hundred fifty-five million, nine hundred sixty-eight thousand, one hundred sixty-nine".