3864158065 has 8 divisors (see below), whose sum is σ = 4637340648. Its totient is φ = 3091092480.

The previous prime is 3864158059. The next prime is 3864158069. The reversal of 3864158065 is 5608514683.

It can be written as a sum of positive squares in 4 ways, for example, as 860131584 + 3004026481 = 29328^2 + 54809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3864158065 - 2²³ = 3855769457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3864158069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81639 + ... + 119971.

It is an arithmetic number, because the mean of its divisors is an integer number (579667581).

Almost surely, 2^3864158065 is an apocalyptic number.

It is an amenable number.

3864158065 is a deficient number, since it is larger than the sum of its proper divisors (773182583).

3864158065 is a wasteful number, since it uses less digits than its factorization.

3864158065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58499.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 3864158065 is about 62162.3524731811. The cubic root of 3864158065 is about 1569.2240699054.

The spelling of 3864158065 in words is "three billion, eight hundred sixty-four million, one hundred fifty-eight thousand, sixty-five".