386005979609 has 8 divisors (see below), whose sum is σ = 399835821000. Its totient is φ = 372210757632.

The previous prime is 386005979563. The next prime is 386005979657. The reversal of 386005979609 is 906979500683.

It can be written as a sum of positive squares in 4 ways, for example, as 656794384 + 385349185225 = 25628^2 + 620765^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 386005979609 - 2⁸ = 386005979353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386005979699) 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, 8632154 + ... + 8676755.

It is an arithmetic number, because the mean of its divisors is an integer number (49979477625).

Almost surely, 2^386005979609 is an apocalyptic number.

It is an amenable number.

386005979609 is a deficient number, since it is larger than the sum of its proper divisors (13829841391).

386005979609 is a wasteful number, since it uses less digits than its factorization.

386005979609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17309707.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 386005979609 in words is "three hundred eighty-six billion, five million, nine hundred seventy-nine thousand, six hundred nine".