3984601512289 has 2 divisors, whose sum is σ = 3984601512290. Its totient is φ = 3984601512288.

The previous prime is 3984601512259. The next prime is 3984601512373. The reversal of 3984601512289 is 9822151064893.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3873240483025 + 111361029264 = 1968055^2 + 333708^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984601512289 - 2⁵ = 3984601512257 is a prime.

It is not a weakly prime, because it can be changed into another prime (3984601512259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992300756144 + 1992300756145.

It is an arithmetic number, because the mean of its divisors is an integer number (1992300756145).

Almost surely, 2^{3984601512289} is an apocalyptic number.

It is an amenable number.

3984601512289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984601512289 is an equidigital number, since it uses as much as digits as its factorization.

3984601512289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 3984601512289 in words is "three trillion, nine hundred eighty-four billion, six hundred one million, five hundred twelve thousand, two hundred eighty-nine".