238589336642 has 4 divisors (see below), whose sum is σ = 357884004966. Its totient is φ = 119294668320.

The previous prime is 238589336593. The next prime is 238589336647. The reversal of 238589336642 is 246633985832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187801756321 + 50787580321 = 433361^2 + 225361^2 .

It is not an unprimeable number, because it can be changed into a prime (238589336647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59647334159 + ... + 59647334162.

Almost surely, 2^238589336642 is an apocalyptic number.

238589336642 is a deficient number, since it is larger than the sum of its proper divisors (119294668324).

238589336642 is a wasteful number, since it uses less digits than its factorization.

238589336642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119294668323.

The product of its digits is 44789760, while the sum is 59.

The spelling of 238589336642 in words is "two hundred thirty-eight billion, five hundred eighty-nine million, three hundred thirty-six thousand, six hundred forty-two".