8043379849 has 2 divisors, whose sum is σ = 8043379850. Its totient is φ = 8043379848.

The previous prime is 8043379837. The next prime is 8043379873. The reversal of 8043379849 is 9489733408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8041605625 + 1774224 = 89675^2 + 1332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8043379849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8043379849.

It is not a weakly prime, because it can be changed into another prime (8043379819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021689924 + 4021689925.

It is an arithmetic number, because the mean of its divisors is an integer number (4021689925).

Almost surely, 2^8043379849 is an apocalyptic number.

It is an amenable number.

8043379849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8043379849 is an equidigital number, since it uses as much as digits as its factorization.

8043379849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 8043379849 is about 89684.8919774117. The cubic root of 8043379849 is about 2003.6084729626.

The spelling of 8043379849 in words is "eight billion, forty-three million, three hundred seventy-nine thousand, eight hundred forty-nine".