238008129889 has 4 divisors (see below), whose sum is σ = 238059308080. Its totient is φ = 237956951700.

The previous prime is 238008129871. The next prime is 238008129911. The reversal of 238008129889 is 988921800832.

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 238008129889 - 2¹³ = 238008121697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238008129829) 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, 25582119 + ... + 25591420.

It is an arithmetic number, because the mean of its divisors is an integer number (59514827020).

Almost surely, 2^238008129889 is an apocalyptic number.

It is an amenable number.

238008129889 is a deficient number, since it is larger than the sum of its proper divisors (51178191).

238008129889 is an equidigital number, since it uses as much as digits as its factorization.

238008129889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51178190.

The product of its (nonzero) digits is 3981312, while the sum is 58.

The spelling of 238008129889 in words is "two hundred thirty-eight billion, eight million, one hundred twenty-nine thousand, eight hundred eighty-nine".