9679381889 has 2 divisors, whose sum is σ = 9679381890. Its totient is φ = 9679381888.

The previous prime is 9679381883. The next prime is 9679381927. The reversal of 9679381889 is 9881839769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8209809664 + 1469572225 = 90608^2 + 38335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9679381889 is a prime.

It is not a weakly prime, because it can be changed into another prime (9679381883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839690944 + 4839690945.

It is an arithmetic number, because the mean of its divisors is an integer number (4839690945).

Almost surely, 2^9679381889 is an apocalyptic number.

It is an amenable number.

9679381889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9679381889 is an equidigital number, since it uses as much as digits as its factorization.

9679381889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 68.

The square root of 9679381889 is about 98383.8497366311. The cubic root of 9679381889 is about 2131.1591102767.

The spelling of 9679381889 in words is "nine billion, six hundred seventy-nine million, three hundred eighty-one thousand, eight hundred eighty-nine".