238511068513 has 8 divisors (see below), whose sum is σ = 239166839520. Its totient is φ = 237855710400.

The previous prime is 238511068493. The next prime is 238511068561. The reversal of 238511068513 is 315860115832.

It is a happy number.

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 238511068513 - 2¹³ = 238511060321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238511068513.

It is not an unprimeable number, because it can be changed into a prime (238511068013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072006 + ... + 1275232.

It is an arithmetic number, because the mean of its divisors is an integer number (29895854940).

Almost surely, 2^238511068513 is an apocalyptic number.

It is an amenable number.

238511068513 is a deficient number, since it is larger than the sum of its proper divisors (655771007).

238511068513 is a wasteful number, since it uses less digits than its factorization.

238511068513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206447.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 238511068513 in words is "two hundred thirty-eight billion, five hundred eleven million, sixty-eight thousand, five hundred thirteen".