3986642423 has 2 divisors, whose sum is σ = 3986642424. Its totient is φ = 3986642422.

The previous prime is 3986642419. The next prime is 3986642437. The reversal of 3986642423 is 3242466893.

3986642423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3986642423 - 2² = 3986642419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3986642123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993321211 + 1993321212.

It is an arithmetic number, because the mean of its divisors is an integer number (1993321212).

Almost surely, 2^3986642423 is an apocalyptic number.

3986642423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986642423 is an equidigital number, since it uses as much as digits as its factorization.

3986642423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 47.

The square root of 3986642423 is about 63139.8639767303. The cubic root of 3986642423 is about 1585.6320954416.

The spelling of 3986642423 in words is "three billion, nine hundred eighty-six million, six hundred forty-two thousand, four hundred twenty-three".