38518749338 has 8 divisors (see below), whose sum is σ = 57792620340. Its totient is φ = 19254542560.

The previous prime is 38518749329. The next prime is 38518749341. The reversal of 38518749338 is 83394781583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34398008089 + 4120741249 = 185467^2 + 64193^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406083 + ... + 2422038.

Almost surely, 2^38518749338 is an apocalyptic number.

38518749338 is a deficient number, since it is larger than the sum of its proper divisors (19273871002).

38518749338 is a wasteful number, since it uses less digits than its factorization.

38518749338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832112.

The product of its digits is 17418240, while the sum is 59.

The spelling of 38518749338 in words is "thirty-eight billion, five hundred eighteen million, seven hundred forty-nine thousand, three hundred thirty-eight".