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8680424693749 is a prime number
BaseRepresentation
bin111111001010001000110…
…1000010101111111110101
31010201211200201111012122121
41332110101220111333311
52114210002210144444
630243422042355541
71554066005326114
oct176242150257765
933654621435577
108680424693749
112847390494586
12b823a87bbbb1
134ac739662743
142201c5c4dc7b
15100be76e2084
hex7e511a15ff5

8680424693749 has 2 divisors, whose sum is σ = 8680424693750. Its totient is φ = 8680424693748.

The previous prime is 8680424693713. The next prime is 8680424693797. The reversal of 8680424693749 is 9473964240868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5640482500900 + 3039942192849 = 2374970^2 + 1743543^2 .

It is a cyclic number.

It is not a de Polignac number, because 8680424693749 - 221 = 8680422596597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8680424093749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340212346874 + 4340212346875.

It is an arithmetic number, because the mean of its divisors is an integer number (4340212346875).

Almost surely, 28680424693749 is an apocalyptic number.

It is an amenable number.

8680424693749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8680424693749 is an equidigital number, since it uses as much as digits as its factorization.

8680424693749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 501645312, while the sum is 70.

The spelling of 8680424693749 in words is "eight trillion, six hundred eighty billion, four hundred twenty-four million, six hundred ninety-three thousand, seven hundred forty-nine".