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6706707869 is a prime number
BaseRepresentation
bin1100011111100000…
…00011110110011101
3122022101212001121202
412033300003312131
5102213404122434
63025300005245
7325125035111
oct61760036635
918271761552
106706707869
112931841984
121372090825
1382b6163c4
14478a11741
15293bd2a7e
hex18fc03d9d

6706707869 has 2 divisors, whose sum is σ = 6706707870. Its totient is φ = 6706707868.

The previous prime is 6706707857. The next prime is 6706707919. The reversal of 6706707869 is 9687076076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6302295769 + 404412100 = 79387^2 + 20110^2 .

It is a cyclic number.

It is not a de Polignac number, because 6706707869 - 24 = 6706707853 is a prime.

It is a super-2 number, since 2×67067078692 = 89959860880213042322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6706704869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353353934 + 3353353935.

It is an arithmetic number, because the mean of its divisors is an integer number (3353353935).

Almost surely, 26706707869 is an apocalyptic number.

It is an amenable number.

6706707869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6706707869 is an equidigital number, since it uses as much as digits as its factorization.

6706707869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The square root of 6706707869 is about 81894.4922995436. The cubic root of 6706707869 is about 1885.8325604318.

The spelling of 6706707869 in words is "six billion, seven hundred six million, seven hundred seven thousand, eight hundred sixty-nine".