38108722009 has 4 divisors (see below), whose sum is σ = 40114444240. Its totient is φ = 36102999780.

The previous prime is 38108721997. The next prime is 38108722033. The reversal of 38108722009 is 90022780183.

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 a cyclic number.

It is not a de Polignac number, because 38108722009 - 2¹⁷ = 38108590937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38108722049) 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, 1002861087 + ... + 1002861124.

It is an arithmetic number, because the mean of its divisors is an integer number (10028611060).

Almost surely, 2^38108722009 is an apocalyptic number.

It is an amenable number.

38108722009 is a deficient number, since it is larger than the sum of its proper divisors (2005722231).

38108722009 is a wasteful number, since it uses less digits than its factorization.

38108722009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005722230.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 38108722009 in words is "thirty-eight billion, one hundred eight million, seven hundred twenty-two thousand, nine".