3861823424648 has 48 divisors (see below), whose sum is σ = 8426119340700. Its totient is φ = 1654475827200.

The previous prime is 3861823424639. The next prime is 3861823424663. The reversal of 3861823424648 is 8464243281683.

It can be written as a sum of positive squares in 2 ways, for example, as 3861547266724 + 276157924 = 1965082^2 + 16618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660593 + ... + 2856576.

Almost surely, 2^{3861823424648} is an apocalyptic number.

It is an amenable number.

3861823424648 is an abundant number, since it is smaller than the sum of its proper divisors (4564295916052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861823424648 is a wasteful number, since it uses less digits than its factorization.

3861823424648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519990 (or 3519979 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 59.

The spelling of 3861823424648 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, four hundred twenty-four thousand, six hundred forty-eight".