3989139216287 has 2 divisors, whose sum is σ = 3989139216288. Its totient is φ = 3989139216286.

The previous prime is 3989139216259. The next prime is 3989139216299. The reversal of 3989139216287 is 7826129319893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3989139216287 - 2⁸ = 3989139216031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3989139213287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994569608143 + 1994569608144.

It is an arithmetic number, because the mean of its divisors is an integer number (1994569608144).

Almost surely, 2^{3989139216287} is an apocalyptic number.

3989139216287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989139216287 is an equidigital number, since it uses as much as digits as its factorization.

3989139216287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 68.

The spelling of 3989139216287 in words is "three trillion, nine hundred eighty-nine billion, one hundred thirty-nine million, two hundred sixteen thousand, two hundred eighty-seven".