8968791049 has 2 divisors, whose sum is σ = 8968791050. Its totient is φ = 8968791048.

The previous prime is 8968791019. The next prime is 8968791061. The reversal of 8968791049 is 9401978698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4860878400 + 4107912649 = 69720^2 + 64093^2 .

It is a cyclic number.

It is not a de Polignac number, because 8968791049 - 2¹¹ = 8968789001 is a prime.

It is not a weakly prime, because it can be changed into another prime (8968791019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4484395524 + 4484395525.

It is an arithmetic number, because the mean of its divisors is an integer number (4484395525).

Almost surely, 2^8968791049 is an apocalyptic number.

It is an amenable number.

8968791049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8968791049 is an equidigital number, since it uses as much as digits as its factorization.

8968791049 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 61.

The square root of 8968791049 is about 94703.7013479410. The cubic root of 8968791049 is about 2077.6766965336.

The spelling of 8968791049 in words is "eight billion, nine hundred sixty-eight million, seven hundred ninety-one thousand, forty-nine".