3865342663 has 32 divisors (see below), whose sum is σ = 4949934080. Its totient is φ = 2936062080.

The previous prime is 3865342583. The next prime is 3865342673. The reversal of 3865342663 is 3662435683.

It is a de Polignac number, because none of the positive numbers 2^k-3865342663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865342673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352873 + ... + 363661.

It is an arithmetic number, because the mean of its divisors is an integer number (154685440).

Almost surely, 2^3865342663 is an apocalyptic number.

3865342663 is a deficient number, since it is larger than the sum of its proper divisors (1084591417).

3865342663 is a wasteful number, since it uses less digits than its factorization.

3865342663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967.

The product of its digits is 1866240, while the sum is 46.

The square root of 3865342663 is about 62171.8800021360. The cubic root of 3865342663 is about 1569.3844075297.

It can be divided in two parts, 3865 and 342663, that added together give a triangular number (346528 = T₈₃₂).

The spelling of 3865342663 in words is "three billion, eight hundred sixty-five million, three hundred forty-two thousand, six hundred sixty-three".