38665585339 has 4 divisors (see below), whose sum is σ = 39210171120. Its totient is φ = 38120999560.

The previous prime is 38665585261. The next prime is 38665585367. The reversal of 38665585339 is 93358556683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38665585339 - 2³¹ = 36518101691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38665585139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272292784 + ... + 272292925.

It is an arithmetic number, because the mean of its divisors is an integer number (9802542780).

Almost surely, 2^38665585339 is an apocalyptic number.

38665585339 is a deficient number, since it is larger than the sum of its proper divisors (544585781).

38665585339 is an equidigital number, since it uses as much as digits as its factorization.

38665585339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544585780.

The product of its digits is 69984000, while the sum is 61.

The spelling of 38665585339 in words is "thirty-eight billion, six hundred sixty-five million, five hundred eighty-five thousand, three hundred thirty-nine".