38100872218 has 4 divisors (see below), whose sum is σ = 57151308330. Its totient is φ = 19050436108.

The previous prime is 38100872177. The next prime is 38100872221. The reversal of 38100872218 is 81227800183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25679101009 + 12421771209 = 160247^2 + 111453^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9525218053 + ... + 9525218056.

Almost surely, 2^38100872218 is an apocalyptic number.

38100872218 is a deficient number, since it is larger than the sum of its proper divisors (19050436112).

38100872218 is a wasteful number, since it uses less digits than its factorization.

38100872218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050436111.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 38100872218 in words is "thirty-eight billion, one hundred million, eight hundred seventy-two thousand, two hundred eighteen".