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9490187249 is a prime number
BaseRepresentation
bin10001101011010100…
…01100001111110001
3220111101110110111122
420311222030033301
5123413441442444
64205411352025
7454114155254
oct106552141761
926441413448
109490187249
11402aa66164
121a0a2b2615
13b831aab1a
1466057509b
153a82574ee
hex235a8c3f1

9490187249 has 2 divisors, whose sum is σ = 9490187250. Its totient is φ = 9490187248.

The previous prime is 9490187209. The next prime is 9490187257. The reversal of 9490187249 is 9427810949.

9490187249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7323936400 + 2166250849 = 85580^2 + 46543^2 .

It is an emirp because it is prime and its reverse (9427810949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9490187249 - 216 = 9490121713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9490187249.

It is not a weakly prime, because it can be changed into another prime (9490187209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745093624 + 4745093625.

It is an arithmetic number, because the mean of its divisors is an integer number (4745093625).

Almost surely, 29490187249 is an apocalyptic number.

It is an amenable number.

9490187249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9490187249 is an equidigital number, since it uses as much as digits as its factorization.

9490187249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 9490187249 is about 97417.5920919831. The cubic root of 9490187249 is about 2117.1823289436.

The spelling of 9490187249 in words is "nine billion, four hundred ninety million, one hundred eighty-seven thousand, two hundred forty-nine".