Search a number
-
+
8341749389 is a prime number
BaseRepresentation
bin1111100010011010…
…01111111010001101
3210112100110202221002
413301031033322031
5114040441440024
63455424350045
7413500462031
oct76115177215
923470422832
108341749389
1135a0777866
121749775325
13a2c29aaac
14591c281c1
1533c5046ae
hex1f134fe8d

8341749389 has 2 divisors, whose sum is σ = 8341749390. Its totient is φ = 8341749388.

The previous prime is 8341749371. The next prime is 8341749391. The reversal of 8341749389 is 9839471438.

8341749389 is digitally balanced in base 3, 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., 5826726889 + 2515022500 = 76333^2 + 50150^2 .

It is a cyclic number.

It is not a de Polignac number, because 8341749389 - 28 = 8341749133 is a prime.

Together with 8341749391, 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 (8341749349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170874694 + 4170874695.

It is an arithmetic number, because the mean of its divisors is an integer number (4170874695).

Almost surely, 28341749389 is an apocalyptic number.

It is an amenable number.

8341749389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8341749389 is an equidigital number, since it uses as much as digits as its factorization.

8341749389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 56.

The square root of 8341749389 is about 91333.1779201841. The cubic root of 8341749389 is about 2028.0829442330.

The spelling of 8341749389 in words is "eight billion, three hundred forty-one million, seven hundred forty-nine thousand, three hundred eighty-nine".