386893665065 has 4 divisors (see below), whose sum is σ = 464272398084. Its totient is φ = 309514932048.

The previous prime is 386893665019. The next prime is 386893665107. The reversal of 386893665065 is 560566398683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560566398683 = 24019 ⋅23338457.

It can be written as a sum of positive squares in 2 ways, for example, as 87960289561 + 298933375504 = 296581^2 + 546748^2 .

It is a cyclic number.

It is not a de Polignac number, because 386893665065 - 2⁶ = 386893665001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386893664992 and 386893665010.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38689366502 + ... + 38689366511.

It is an arithmetic number, because the mean of its divisors is an integer number (116068099521).

Almost surely, 2^386893665065 is an apocalyptic number.

It is an amenable number.

386893665065 is a deficient number, since it is larger than the sum of its proper divisors (77378733019).

386893665065 is an equidigital number, since it uses as much as digits as its factorization.

386893665065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77378733018.

The product of its (nonzero) digits is 167961600, while the sum is 65.

The spelling of 386893665065 in words is "three hundred eighty-six billion, eight hundred ninety-three million, six hundred sixty-five thousand, sixty-five".