38251800838 has 4 divisors (see below), whose sum is σ = 57377701260. Its totient is φ = 19125900418.

The previous prime is 38251800833. The next prime is 38251800857. The reversal of 38251800838 is 83800815283.

38251800838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38251800833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9562950208 + ... + 9562950211.

It is an arithmetic number, because the mean of its divisors is an integer number (14344425315).

Almost surely, 2^38251800838 is an apocalyptic number.

38251800838 is a deficient number, since it is larger than the sum of its proper divisors (19125900422).

38251800838 is a wasteful number, since it uses less digits than its factorization.

38251800838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19125900421.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 38251800838 in words is "thirty-eight billion, two hundred fifty-one million, eight hundred thousand, eight hundred thirty-eight".