3865747063 has 4 divisors (see below), whose sum is σ = 3899957328. Its totient is φ = 3831536800.

The previous prime is 3865747051. The next prime is 3865747069. The reversal of 3865747063 is 3607475683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3865747063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3865746998 and 3865747016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865747069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17104963 + ... + 17105188.

It is an arithmetic number, because the mean of its divisors is an integer number (974989332).

Almost surely, 2^3865747063 is an apocalyptic number.

3865747063 is a deficient number, since it is larger than the sum of its proper divisors (34210265).

3865747063 is a wasteful number, since it uses less digits than its factorization.

3865747063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34210264.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The square root of 3865747063 is about 62175.1321912547. The cubic root of 3865747063 is about 1569.4391363491.

The spelling of 3865747063 in words is "three billion, eight hundred sixty-five million, seven hundred forty-seven thousand, sixty-three".