238278434939 has 8 divisors (see below), whose sum is σ = 240000590160. Its totient is φ = 236560624416.

The previous prime is 238278434839. The next prime is 238278434963. The reversal of 238278434939 is 939434872832.

238278434939 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 cyclic number.

It is not a de Polignac number, because 238278434939 - 2¹² = 238278430843 is a prime.

It is a super-2 number, since 2×238278434939² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238278434239) by changing a digit.

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, 976052 + ... + 1195505.

It is an arithmetic number, because the mean of its divisors is an integer number (30000073770).

Almost surely, 2^238278434939 is an apocalyptic number.

238278434939 is a deficient number, since it is larger than the sum of its proper divisors (1722155221).

238278434939 is a wasteful number, since it uses less digits than its factorization.

238278434939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172349.

The product of its digits is 62705664, while the sum is 62.

The spelling of 238278434939 in words is "two hundred thirty-eight billion, two hundred seventy-eight million, four hundred thirty-four thousand, nine hundred thirty-nine".