3861823424647 has 16 divisors (see below), whose sum is σ = 4046188603392. Its totient is φ = 3678842518560.

The previous prime is 3861823424639. The next prime is 3861823424663. The reversal of 3861823424647 is 7464243281683.

It is not a de Polignac number, because 3861823424647 - 2³ = 3861823424639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3861823424591 and 3861823424600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861823424047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13434378 + ... + 13718824.

It is an arithmetic number, because the mean of its divisors is an integer number (252886787712).

Almost surely, 2^{3861823424647} is an apocalyptic number.

3861823424647 is a deficient number, since it is larger than the sum of its proper divisors (184365178745).

3861823424647 is a wasteful number, since it uses less digits than its factorization.

3861823424647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286878.

The product of its digits is 37158912, while the sum is 58.

The spelling of 3861823424647 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, four hundred twenty-four thousand, six hundred forty-seven".