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6808696654789 is a prime number
BaseRepresentation
bin110001100010100010111…
…1100100000101111000101
3220002220102202222010111101
41203011011330200233011
51343023202320423124
622251512210540101
71301624564442661
oct143050574405705
926086382863441
106808696654789
112195608839657
1291b6a2897631
133a5098c8a143
141977851658a1
15bc19a9d6644
hex63145f20bc5

6808696654789 has 2 divisors, whose sum is σ = 6808696654790. Its totient is φ = 6808696654788.

The previous prime is 6808696654733. The next prime is 6808696654813. The reversal of 6808696654789 is 9874566968086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5630132384100 + 1178564270689 = 2372790^2 + 1085617^2 .

It is a cyclic number.

It is not a de Polignac number, because 6808696654789 - 225 = 6808663100357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6808696658789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404348327394 + 3404348327395.

It is an arithmetic number, because the mean of its divisors is an integer number (3404348327395).

Almost surely, 26808696654789 is an apocalyptic number.

It is an amenable number.

6808696654789 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808696654789 is an equidigital number, since it uses as much as digits as its factorization.

6808696654789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7524679680, while the sum is 82.

The spelling of 6808696654789 in words is "six trillion, eight hundred eight billion, six hundred ninety-six million, six hundred fifty-four thousand, seven hundred eighty-nine".