3984566312609 has 8 divisors (see below), whose sum is σ = 3987083100000. Its totient is φ = 3982049730432.

The previous prime is 3984566312599. The next prime is 3984566312647. The reversal of 3984566312609 is 9062136654893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3984566312609 is a prime.

It is a super-2 number, since 2×3984566312609² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984566312659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61639697 + ... + 61704305.

It is an arithmetic number, because the mean of its divisors is an integer number (498385387500).

Almost surely, 2^{3984566312609} is an apocalyptic number.

It is an amenable number.

3984566312609 is a deficient number, since it is larger than the sum of its proper divisors (2516787391).

3984566312609 is a wasteful number, since it uses less digits than its factorization.

3984566312609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102607.

The product of its (nonzero) digits is 50388480, while the sum is 62.

The spelling of 3984566312609 in words is "three trillion, nine hundred eighty-four billion, five hundred sixty-six million, three hundred twelve thousand, six hundred nine".