238171829569 has 8 divisors (see below), whose sum is σ = 250828755840. Its totient is φ = 225527060016.

The previous prime is 238171829549. The next prime is 238171829579. The reversal of 238171829569 is 965928171832.

238171829569 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 not a de Polignac number, because 238171829569 - 2²³ = 238163440961 is a prime.

It is a super-2 number, since 2×238171829569² (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 (238171829509) 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, 2998942 + ... + 3077335.

It is an arithmetic number, because the mean of its divisors is an integer number (31353594480).

Almost surely, 2^238171829569 is an apocalyptic number.

It is an amenable number.

238171829569 is a deficient number, since it is larger than the sum of its proper divisors (12656926271).

238171829569 is a wasteful number, since it uses less digits than its factorization.

238171829569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078359.

The product of its digits is 13063680, while the sum is 61.

The spelling of 238171829569 in words is "two hundred thirty-eight billion, one hundred seventy-one million, eight hundred twenty-nine thousand, five hundred sixty-nine".