Search a number
-
+
8706963449 is a prime number
BaseRepresentation
bin10000001101111100…
…11011011111111001
3211110210200120102202
420012332123133321
5120312440312244
63555552235545
7425523653042
oct100676333771
924423616382
108706963449
113768943568
12182bb3bbb5
13a89b4cba2
145c85358c9
1535e5e604e
hex206f9b7f9

8706963449 has 2 divisors, whose sum is σ = 8706963450. Its totient is φ = 8706963448.

The previous prime is 8706963431. The next prime is 8706963479. The reversal of 8706963449 is 9443696078.

8706963449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8500840000 + 206123449 = 92200^2 + 14357^2 .

It is a cyclic number.

It is not a de Polignac number, because 8706963449 - 212 = 8706959353 is a prime.

It is a super-2 number, since 2×87069634492 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8706963394 and 8706963403.

It is not a weakly prime, because it can be changed into another prime (8706963479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4353481724 + 4353481725.

It is an arithmetic number, because the mean of its divisors is an integer number (4353481725).

Almost surely, 28706963449 is an apocalyptic number.

It is an amenable number.

8706963449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8706963449 is an equidigital number, since it uses as much as digits as its factorization.

8706963449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 8706963449 is about 93311.1110693684. Note that the first 3 decimals coincide. The cubic root of 8706963449 is about 2057.2586976873.

The spelling of 8706963449 in words is "eight billion, seven hundred six million, nine hundred sixty-three thousand, four hundred forty-nine".