3934163565 has 96 divisors (see below), whose sum is σ = 7170508800. Its totient is φ = 1993559040.

The previous prime is 3934163557. The next prime is 3934163587. The reversal of 3934163565 is 5653614393.

3934163565 is a `hidden beast` number, since 3 + 9 + 3 + 4 + 1 + 635 + 6 + 5 = 666.

It is not a de Polignac number, because 3934163565 - 2³ = 3934163557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3934163565.

It is a congruent number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 20597620 + ... + 20597810.

It is an arithmetic number, because the mean of its divisors is an integer number (74692800).

Almost surely, 2^3934163565 is an apocalyptic number.

It is an amenable number.

3934163565 is a deficient number, since it is larger than the sum of its proper divisors (3236345235).

3934163565 is a wasteful number, since it uses less digits than its factorization.

3934163565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 464 counting only the distinct ones).

The product of its digits is 874800, while the sum is 45.

The square root of 3934163565 is about 62722.9110054691. The cubic root of 3934163565 is about 1578.6437601884.

The spelling of 3934163565 in words is "three billion, nine hundred thirty-four million, one hundred sixty-three thousand, five hundred sixty-five".