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1085336669 is a prime number
BaseRepresentation
bin100000010110000…
…1110110001011101
32210122020211000102
41000230032301131
54210321233134
6255410310445
735616131564
oct10054166135
92718224012
101085336669
1150770a55a
12263588425
13143b18661
14a4202bdb
156543b37e
hex40b0ec5d

1085336669 has 2 divisors, whose sum is σ = 1085336670. Its totient is φ = 1085336668.

The previous prime is 1085336663. The next prime is 1085336671. The reversal of 1085336669 is 9666335801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080765625 + 4571044 = 32875^2 + 2138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085336669 - 216 = 1085271133 is a prime.

It is a super-2 number, since 2×10853366692 = 2355911370152031122, which contains 22 as substring.

Together with 1085336671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085336663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542668334 + 542668335.

It is an arithmetic number, because the mean of its divisors is an integer number (542668335).

Almost surely, 21085336669 is an apocalyptic number.

It is an amenable number.

1085336669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085336669 is an equidigital number, since it uses as much as digits as its factorization.

1085336669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 1085336669 is about 32944.4482272810. The cubic root of 1085336669 is about 1027.6727135309.

The spelling of 1085336669 in words is "one billion, eighty-five million, three hundred thirty-six thousand, six hundred sixty-nine".