4128970889 has 2 divisors, whose sum is σ = 4128970890. Its totient is φ = 4128970888.

The previous prime is 4128970841. The next prime is 4128970907. The reversal of 4128970889 is 9880798214.

4128970889 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., 3662065225 + 466905664 = 60515^2 + 21608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4128970889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4128970289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064485444 + 2064485445.

It is an arithmetic number, because the mean of its divisors is an integer number (2064485445).

Almost surely, 2^4128970889 is an apocalyptic number.

It is an amenable number.

4128970889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128970889 is an equidigital number, since it uses as much as digits as its factorization.

4128970889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The square root of 4128970889 is about 64257.0687862433. The cubic root of 4128970889 is about 1604.2816166343.

The spelling of 4128970889 in words is "four billion, one hundred twenty-eight million, nine hundred seventy thousand, eight hundred eighty-nine".