38568338881 has 4 divisors (see below), whose sum is σ = 39222039600. Its totient is φ = 37914638164.

The previous prime is 38568338863. The next prime is 38568338933. The reversal of 38568338881 is 18883386583.

It is a happy number.

38568338881 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18883386583 = 92557 ⋅204019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38568338881 is a prime.

It is a super-2 number, since 2×38568338881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38568338801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326850271 + ... + 326850388.

It is an arithmetic number, because the mean of its divisors is an integer number (9805509900).

Almost surely, 2^38568338881 is an apocalyptic number.

It is an amenable number.

38568338881 is a deficient number, since it is larger than the sum of its proper divisors (653700719).

38568338881 is an equidigital number, since it uses as much as digits as its factorization.

38568338881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653700718.

The product of its digits is 26542080, while the sum is 61.

The spelling of 38568338881 in words is "thirty-eight billion, five hundred sixty-eight million, three hundred thirty-eight thousand, eight hundred eighty-one".