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864285793697 is a prime number
BaseRepresentation
bin11001001001110110111…
…00101001110110100001
310001121212120012102102202
430210323130221312201
5103130024130344242
61501014124022545
7116304544014044
oct14447334516641
93047776172382
10864285793697
113035a5887017
1211b607691a55
136366a5c0a61
142db900c4c5b
1517736e1e932
hexc93b729da1

864285793697 has 2 divisors, whose sum is σ = 864285793698. Its totient is φ = 864285793696.

The previous prime is 864285793673. The next prime is 864285793739. The reversal of 864285793697 is 796397582468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667645873216 + 196639920481 = 817096^2 + 443441^2 .

It is a cyclic number.

It is not a de Polignac number, because 864285793697 - 216 = 864285728161 is a prime.

It is not a weakly prime, because it can be changed into another prime (864285793667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432142896848 + 432142896849.

It is an arithmetic number, because the mean of its divisors is an integer number (432142896849).

Almost surely, 2864285793697 is an apocalyptic number.

It is an amenable number.

864285793697 is a deficient number, since it is larger than the sum of its proper divisors (1).

864285793697 is an equidigital number, since it uses as much as digits as its factorization.

864285793697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1097349120, while the sum is 74.

The spelling of 864285793697 in words is "eight hundred sixty-four billion, two hundred eighty-five million, seven hundred ninety-three thousand, six hundred ninety-seven".