3861863206652 has 48 divisors (see below), whose sum is σ = 7468838737920. Its totient is φ = 1732506859200.

The previous prime is 3861863206637. The next prime is 3861863206661. The reversal of 3861863206652 is 2566023681683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8898653 + ... + 9322539.

It is an arithmetic number, because the mean of its divisors is an integer number (155600807040).

Almost surely, 2^{3861863206652} is an apocalyptic number.

It is an amenable number.

3861863206652 is a deficient number, since it is larger than the sum of its proper divisors (3606975531268).

3861863206652 is a wasteful number, since it uses less digits than its factorization.

3861863206652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426602 (or 426600 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 3861863206652 in words is "three trillion, eight hundred sixty-one billion, eight hundred sixty-three million, two hundred six thousand, six hundred fifty-two".