3989105039 has 2 divisors, whose sum is σ = 3989105040. Its totient is φ = 3989105038.

The previous prime is 3989105009. The next prime is 3989105051. The reversal of 3989105039 is 9305019893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3989105039 - 2²⁰ = 3988056463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3989104984 and 3989105002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3989105009) 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, 1994552519 + 1994552520.

It is an arithmetic number, because the mean of its divisors is an integer number (1994552520).

Almost surely, 2^3989105039 is an apocalyptic number.

3989105039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989105039 is an equidigital number, since it uses as much as digits as its factorization.

3989105039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 3989105039 is about 63159.3622434552. The cubic root of 3989105039 is about 1585.9585187664.

The spelling of 3989105039 in words is "three billion, nine hundred eighty-nine million, one hundred five thousand, thirty-nine".