3984982690409 has 8 divisors (see below), whose sum is σ = 4711309584960. Its totient is φ = 3297916709136.

The previous prime is 3984982690399. The next prime is 3984982690477. The reversal of 3984982690409 is 9040962894893.

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

It is not a de Polignac number, because 3984982690409 - 2⁴ = 3984982690393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984982690489) 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, 9815228099 + ... + 9815228504.

It is an arithmetic number, because the mean of its divisors is an integer number (588913698120).

Almost surely, 2^{3984982690409} is an apocalyptic number.

It is an amenable number.

3984982690409 is a deficient number, since it is larger than the sum of its proper divisors (726326894551).

3984982690409 is a wasteful number, since it uses less digits than its factorization.

3984982690409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19630456639.

The product of its (nonzero) digits is 241864704, while the sum is 71.

The spelling of 3984982690409 in words is "three trillion, nine hundred eighty-four billion, nine hundred eighty-two million, six hundred ninety thousand, four hundred nine".