238121452405 has 8 divisors (see below), whose sum is σ = 285823603584. Its totient is φ = 190445254800.

The previous prime is 238121452391. The next prime is 238121452427. The reversal of 238121452405 is 504254121832.

238121452405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-238121452405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468201 + ... + 6504910.

It is an arithmetic number, because the mean of its divisors is an integer number (35727950448).

Almost surely, 2^238121452405 is an apocalyptic number.

It is an amenable number.

238121452405 is a deficient number, since it is larger than the sum of its proper divisors (47702151179).

238121452405 is a wasteful number, since it uses less digits than its factorization.

238121452405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12976787.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 238121452405 in words is "two hundred thirty-eight billion, one hundred twenty-one million, four hundred fifty-two thousand, four hundred five".