238559688634 has 16 divisors (see below), whose sum is σ = 378063146880. Its totient is φ = 112584971520.

The previous prime is 238559688623. The next prime is 238559688649. The reversal of 238559688634 is 436886955832.

It is a self number, because there is not a number n which added to its sum of digits gives 238559688634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11572519 + ... + 11593114.

It is an arithmetic number, because the mean of its divisors is an integer number (23628946680).

Almost surely, 2^238559688634 is an apocalyptic number.

238559688634 is a deficient number, since it is larger than the sum of its proper divisors (139503458246).

238559688634 is a wasteful number, since it uses less digits than its factorization.

238559688634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165925.

The product of its digits is 298598400, while the sum is 67.

The spelling of 238559688634 in words is "two hundred thirty-eight billion, five hundred fifty-nine million, six hundred eighty-eight thousand, six hundred thirty-four".