3864673653847 has 2 divisors, whose sum is σ = 3864673653848. Its totient is φ = 3864673653846.

The previous prime is 3864673653821. The next prime is 3864673653887. The reversal of 3864673653847 is 7483563764683.

3864673653847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7483563764683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3864673653847 - 2³¹ = 3862526170199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3864673653887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932336826923 + 1932336826924.

It is an arithmetic number, because the mean of its divisors is an integer number (1932336826924).

Almost surely, 2^{3864673653847} is an apocalyptic number.

3864673653847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864673653847 is an equidigital number, since it uses as much as digits as its factorization.

3864673653847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1463132160, while the sum is 70.

The spelling of 3864673653847 in words is "three trillion, eight hundred sixty-four billion, six hundred seventy-three million, six hundred fifty-three thousand, eight hundred forty-seven".