38008128489 has 4 divisors (see below), whose sum is σ = 50677504656. Its totient is φ = 25338752324.

The previous prime is 38008128407. The next prime is 38008128493. The reversal of 38008128489 is 98482180083.

It is a happy number.

38008128489 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.

It is a cyclic number.

It is not a de Polignac number, because 38008128489 - 2¹¹ = 38008126441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38008128089) 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, 6334688079 + ... + 6334688084.

It is an arithmetic number, because the mean of its divisors is an integer number (12669376164).

Almost surely, 2^38008128489 is an apocalyptic number.

It is an amenable number.

38008128489 is a deficient number, since it is larger than the sum of its proper divisors (12669376167).

38008128489 is a wasteful number, since it uses less digits than its factorization.

38008128489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12669376166.

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 38008128489 in words is "thirty-eight billion, eight million, one hundred twenty-eight thousand, four hundred eighty-nine".