38586609849 has 4 divisors (see below), whose sum is σ = 51448813136. Its totient is φ = 25724406564.

The previous prime is 38586609833. The next prime is 38586609851. The reversal of 38586609849 is 94890668583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38586609849 - 2⁴ = 38586609833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38586609849.

It is not an unprimeable number, because it can be changed into a prime (38586609829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6431101639 + ... + 6431101644.

It is an arithmetic number, because the mean of its divisors is an integer number (12862203284).

Almost surely, 2^38586609849 is an apocalyptic number.

It is an amenable number.

38586609849 is a deficient number, since it is larger than the sum of its proper divisors (12862203287).

38586609849 is a wasteful number, since it uses less digits than its factorization.

38586609849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862203286.

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 38586609849 in words is "thirty-eight billion, five hundred eighty-six million, six hundred nine thousand, eight hundred forty-nine".