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3340669861 is a prime number
BaseRepresentation
bin1100011100011110…
…1001001110100101
322121211001121112101
43013013221032211
523320202413421
61311254052101
7145533140164
oct30707511645
98554047471
103340669861
1114647a2791
1279294a031
13413151a39
142399653db
15148438191
hexc71e93a5

3340669861 has 2 divisors, whose sum is σ = 3340669862. Its totient is φ = 3340669860.

The previous prime is 3340669859. The next prime is 3340669867. The reversal of 3340669861 is 1689660433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2628100225 + 712569636 = 51265^2 + 26694^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340669861 - 21 = 3340669859 is a prime.

It is a super-2 number, since 2×33406698612 = 22320150240387518642, which contains 22 as substring.

Together with 3340669859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340669867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670334930 + 1670334931.

It is an arithmetic number, because the mean of its divisors is an integer number (1670334931).

Almost surely, 23340669861 is an apocalyptic number.

It is an amenable number.

3340669861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340669861 is an equidigital number, since it uses as much as digits as its factorization.

3340669861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 3340669861 is about 57798.5281906036. The cubic root of 3340669861 is about 1494.8967107977.

The spelling of 3340669861 in words is "three billion, three hundred forty million, six hundred sixty-nine thousand, eight hundred sixty-one".