3864199996801 has 4 divisors (see below), whose sum is σ = 3868359524100. Its totient is φ = 3860040469504.

The previous prime is 3864199996759. The next prime is 3864199996807. The reversal of 3864199996801 is 1086999914683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187988147776 + 3676211849025 = 433576^2 + 1917345^2 .

It is a cyclic number.

It is not a de Polignac number, because 3864199996801 - 2⁷ = 3864199996673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3864199996807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079762256 + ... + 2079764113.

It is an arithmetic number, because the mean of its divisors is an integer number (967089881025).

Almost surely, 2^{3864199996801} is an apocalyptic number.

It is an amenable number.

3864199996801 is a deficient number, since it is larger than the sum of its proper divisors (4159527299).

3864199996801 is an equidigital number, since it uses as much as digits as its factorization.

3864199996801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159527298.

The product of its (nonzero) digits is 181398528, while the sum is 73.

The spelling of 3864199996801 in words is "three trillion, eight hundred sixty-four billion, one hundred ninety-nine million, nine hundred ninety-six thousand, eight hundred one".