3984926633845 has 16 divisors (see below), whose sum is σ = 4893651956160. Its totient is φ = 3113464120704.

The previous prime is 3984926633839. The next prime is 3984926633893. The reversal of 3984926633845 is 5483366294893.

It is a cyclic number.

It is not a de Polignac number, because 3984926633845 - 2⁹ = 3984926633333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979441 + ... + 2988169.

It is an arithmetic number, because the mean of its divisors is an integer number (305853247260).

Almost surely, 2^{3984926633845} is an apocalyptic number.

It is an amenable number.

3984926633845 is a deficient number, since it is larger than the sum of its proper divisors (908725322315).

3984926633845 is a wasteful number, since it uses less digits than its factorization.

3984926633845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018004.

The product of its digits is 806215680, while the sum is 70.

The spelling of 3984926633845 in words is "three trillion, nine hundred eighty-four billion, nine hundred twenty-six million, six hundred thirty-three thousand, eight hundred forty-five".