3984566816113 has 16 divisors (see below), whose sum is σ = 4431232512000. Its totient is φ = 3558017211840.

The previous prime is 3984566816077. The next prime is 3984566816119. The reversal of 3984566816113 is 3116186654893.

It is a happy number.

It is not a de Polignac number, because 3984566816113 - 2²¹ = 3984564718961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984566816119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912193 + ... + 2966686.

It is an arithmetic number, because the mean of its divisors is an integer number (276952032000).

Almost surely, 2^{3984566816113} is an apocalyptic number.

It is an amenable number.

3984566816113 is a deficient number, since it is larger than the sum of its proper divisors (446665695887).

3984566816113 is a wasteful number, since it uses less digits than its factorization.

3984566816113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881472.

The product of its digits is 22394880, while the sum is 61.

The spelling of 3984566816113 in words is "three trillion, nine hundred eighty-four billion, five hundred sixty-six million, eight hundred sixteen thousand, one hundred thirteen".