3984982614889 has 2 divisors, whose sum is σ = 3984982614890. Its totient is φ = 3984982614888.

The previous prime is 3984982614869. The next prime is 3984982614953. The reversal of 3984982614889 is 9884162894893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2297301019225 + 1687681595664 = 1515685^2 + 1299108^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984982614889 - 2¹³ = 3984982606697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3984982614829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992491307444 + 1992491307445.

It is an arithmetic number, because the mean of its divisors is an integer number (1992491307445).

Almost surely, 2^{3984982614889} is an apocalyptic number.

It is an amenable number.

3984982614889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984982614889 is an equidigital number, since it uses as much as digits as its factorization.

3984982614889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1719926784, while the sum is 79.

The spelling of 3984982614889 in words is "three trillion, nine hundred eighty-four billion, nine hundred eighty-two million, six hundred fourteen thousand, eight hundred eighty-nine".