8980635689 has 2 divisors, whose sum is σ = 8980635690. Its totient is φ = 8980635688.

The previous prime is 8980635661. The next prime is 8980635761. The reversal of 8980635689 is 9865360898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7860595600 + 1120040089 = 88660^2 + 33467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8980635689 is a prime.

It is not a weakly prime, because it can be changed into another prime (8980635619) 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, 4490317844 + 4490317845.

It is an arithmetic number, because the mean of its divisors is an integer number (4490317845).

Almost surely, 2^8980635689 is an apocalyptic number.

It is an amenable number.

8980635689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8980635689 is an equidigital number, since it uses as much as digits as its factorization.

8980635689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The square root of 8980635689 is about 94766.2159685613. The cubic root of 8980635689 is about 2078.5909225748.

The spelling of 8980635689 in words is "eight billion, nine hundred eighty million, six hundred thirty-five thousand, six hundred eighty-nine".