3989110020109 has 2 divisors, whose sum is σ = 3989110020110. Its totient is φ = 3989110020108.

The previous prime is 3989110020083. The next prime is 3989110020131. The reversal of 3989110020109 is 9010200119893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190770015625 + 1798340004484 = 1480125^2 + 1341022^2 .

It is a cyclic number.

It is not a de Polignac number, because 3989110020109 - 2⁹ = 3989110019597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3989110020199) 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, 1994555010054 + 1994555010055.

It is an arithmetic number, because the mean of its divisors is an integer number (1994555010055).

Almost surely, 2^{3989110020109} is an apocalyptic number.

It is an amenable number.

3989110020109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989110020109 is an equidigital number, since it uses as much as digits as its factorization.

3989110020109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 3989110020109 in words is "three trillion, nine hundred eighty-nine billion, one hundred ten million, twenty thousand, one hundred nine".