238869450180357 has 16 divisors (see below), whose sum is σ = 318640600341120. Its totient is φ = 159172312320000.

The previous prime is 238869450180323. The next prime is 238869450180433. The reversal of 238869450180357 is 753081054968832.

It is not a de Polignac number, because 238869450180357 - 2²² = 238869445986053 is a prime.

It is a super-2 number, since 2×238869450180357² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238869450180291 and 238869450180300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238869450184357) 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 15 ways as a sum of consecutive naturals, for example, 76782357 + ... + 79832757.

It is an arithmetic number, because the mean of its divisors is an integer number (19915037521320).

It is a 1-persistent number, because it is pandigital, but 2⋅238869450180357 = 477738900360714 is not.

Almost surely, 2^{238869450180357} is an apocalyptic number.

It is an amenable number.

238869450180357 is a deficient number, since it is larger than the sum of its proper divisors (79771150160763).

238869450180357 is a wasteful number, since it uses less digits than its factorization.

238869450180357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062524.

The product of its (nonzero) digits is 348364800, while the sum is 69.

The spelling of 238869450180357 in words is "two hundred thirty-eight trillion, eight hundred sixty-nine billion, four hundred fifty million, one hundred eighty thousand, three hundred fifty-seven".