38109928202 has 4 divisors (see below), whose sum is σ = 57164892306. Its totient is φ = 19054964100.

The previous prime is 38109928201. The next prime is 38109928229. The reversal of 38109928202 is 20282990183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20282990183 = 3677 ⋅5516179.

It can be written as a sum of positive squares in only one way, i.e., 26863537801 + 11246390401 = 163901^2 + 106049^2 .

It is not an unprimeable number, because it can be changed into a prime (38109928201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9527482049 + ... + 9527482052.

Almost surely, 2^38109928202 is an apocalyptic number.

38109928202 is a deficient number, since it is larger than the sum of its proper divisors (19054964104).

38109928202 is a wasteful number, since it uses less digits than its factorization.

38109928202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19054964103.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 38109928202 in words is "thirty-eight billion, one hundred nine million, nine hundred twenty-eight thousand, two hundred two".