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1608630853069 is a prime number
BaseRepresentation
bin10111011010001001110…
…111101101110111001101
312200210011020202020121001
4113122021313231313031
5202323433444244234
63230554513540301
7224135241434002
oct27321167556715
95623136666531
101608630853069
115702421a8109
1221b91b274691
13b89020780a6
1457c02a8d8a9
152bc9e193d14
hex17689deddcd

1608630853069 has 2 divisors, whose sum is σ = 1608630853070. Its totient is φ = 1608630853068.

The previous prime is 1608630853043. The next prime is 1608630853087. The reversal of 1608630853069 is 9603580368061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211210302500 + 397420550569 = 1100550^2 + 630413^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608630853069 - 215 = 1608630820301 is a prime.

It is a super-2 number, since 2×16086308530692 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1608630853099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804315426534 + 804315426535.

It is an arithmetic number, because the mean of its divisors is an integer number (804315426535).

Almost surely, 21608630853069 is an apocalyptic number.

It is an amenable number.

1608630853069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608630853069 is an equidigital number, since it uses as much as digits as its factorization.

1608630853069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 1608630853069 in words is "one trillion, six hundred eight billion, six hundred thirty million, eight hundred fifty-three thousand, sixty-nine".