3861823424663 has 2 divisors, whose sum is σ = 3861823424664. Its totient is φ = 3861823424662.

The previous prime is 3861823424639. The next prime is 3861823424671. The reversal of 3861823424663 is 3664243281683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3861823424663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3861823424599 and 3861823424608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3861823424603) 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 as a sum of consecutive naturals, namely, 1930911712331 + 1930911712332.

It is an arithmetic number, because the mean of its divisors is an integer number (1930911712332).

Almost surely, 2^{3861823424663} is an apocalyptic number.

3861823424663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861823424663 is an equidigital number, since it uses as much as digits as its factorization.

3861823424663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23887872, while the sum is 56.

The spelling of 3861823424663 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, four hundred twenty-four thousand, six hundred sixty-three".