3863686511 has 2 divisors, whose sum is σ = 3863686512. Its totient is φ = 3863686510.

The previous prime is 3863686471. The next prime is 3863686513. The reversal of 3863686511 is 1156863683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3863686511 - 2⁶ = 3863686447 is a prime.

Together with 3863686513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3863686513) 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, 1931843255 + 1931843256.

It is an arithmetic number, because the mean of its divisors is an integer number (1931843256).

Almost surely, 2^3863686511 is an apocalyptic number.

3863686511 is a deficient number, since it is larger than the sum of its proper divisors (1).

3863686511 is an equidigital number, since it uses as much as digits as its factorization.

3863686511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 3863686511 is about 62158.5594347231. The cubic root of 3863686511 is about 1569.1602350434.

The spelling of 3863686511 in words is "three billion, eight hundred sixty-three million, six hundred eighty-six thousand, five hundred eleven".