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43695086969 is a prime number
BaseRepresentation
bin101000101100011011…
…100001110101111001
311011210012000101220102
4220230123201311321
51203441420240334
632023453205145
73104543053052
oct505433416571
9134705011812
1043695086969
1117592812626
1285754907b5
134174775b61
14218722d729
15120b0cc67e
hexa2c6e1d79

43695086969 has 2 divisors, whose sum is σ = 43695086970. Its totient is φ = 43695086968.

The previous prime is 43695086951. The next prime is 43695086983. The reversal of 43695086969 is 96968059634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31262836969 + 12432250000 = 176813^2 + 111500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43695086969 is a prime.

It is a super-2 number, since 2×436950869692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43695086069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21847543484 + 21847543485.

It is an arithmetic number, because the mean of its divisors is an integer number (21847543485).

Almost surely, 243695086969 is an apocalyptic number.

It is an amenable number.

43695086969 is a deficient number, since it is larger than the sum of its proper divisors (1).

43695086969 is an equidigital number, since it uses as much as digits as its factorization.

43695086969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75582720, while the sum is 65.

The spelling of 43695086969 in words is "forty-three billion, six hundred ninety-five million, eighty-six thousand, nine hundred sixty-nine".