38108906938 has 8 divisors (see below), whose sum is σ = 57191210388. Its totient is φ = 19045170144.

The previous prime is 38108906923. The next prime is 38108906947. The reversal of 38108906938 is 83960980183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38094061329 + 14845609 = 195177^2 + 3853^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636531 + ... + 4644742.

Almost surely, 2^38108906938 is an apocalyptic number.

38108906938 is a deficient number, since it is larger than the sum of its proper divisors (19082303450).

38108906938 is a wasteful number, since it uses less digits than its factorization.

38108906938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9283328.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 38108906938 in words is "thirty-eight billion, one hundred eight million, nine hundred six thousand, nine hundred thirty-eight".