3816617425643 has 16 divisors (see below), whose sum is σ = 4205033233632. Its totient is φ = 3435113760000.

The previous prime is 3816617425571. The next prime is 3816617425711. The reversal of 3816617425643 is 3465247166183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3816617425643 - 2⁴⁰ = 2717105797867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3816617425343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23107613 + ... + 23272193.

It is an arithmetic number, because the mean of its divisors is an integer number (262814577102).

Almost surely, 2^{3816617425643} is an apocalyptic number.

3816617425643 is a deficient number, since it is larger than the sum of its proper divisors (388415807989).

3816617425643 is a wasteful number, since it uses less digits than its factorization.

3816617425643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185566.

The product of its digits is 17418240, while the sum is 56.

The spelling of 3816617425643 in words is "three trillion, eight hundred sixteen billion, six hundred seventeen million, four hundred twenty-five thousand, six hundred forty-three".