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6775801349 is a prime number
BaseRepresentation
bin1100100111101111…
…01000011000000101
3122111012212101001112
412103313220120011
5102334101120344
63040204534405
7326624234612
oct62367503005
918435771045
106775801349
112967843929
121391251405
1383ca28415
14483c79509
15299ccec9e
hex193de8605

6775801349 has 2 divisors, whose sum is σ = 6775801350. Its totient is φ = 6775801348.

The previous prime is 6775801339. The next prime is 6775801391. The reversal of 6775801349 is 9431085776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4954048225 + 1821753124 = 70385^2 + 42682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6775801349 is a prime.

It is a super-2 number, since 2×67758013492 = 91822967842220439602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6775801297 and 6775801306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6775801339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387900674 + 3387900675.

It is an arithmetic number, because the mean of its divisors is an integer number (3387900675).

Almost surely, 26775801349 is an apocalyptic number.

It is an amenable number.

6775801349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775801349 is an equidigital number, since it uses as much as digits as its factorization.

6775801349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 6775801349 is about 82315.2558703428. The cubic root of 6775801349 is about 1892.2864882585.

The spelling of 6775801349 in words is "six billion, seven hundred seventy-five million, eight hundred one thousand, three hundred forty-nine".