238797064538 has 4 divisors (see below), whose sum is σ = 358195596810. Its totient is φ = 119398532268.

The previous prime is 238797064531. The next prime is 238797064543. The reversal of 238797064538 is 835460797832.

238797064538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 231704561449 + 7092503089 = 481357^2 + 84217^2 .

It is not an unprimeable number, because it can be changed into a prime (238797064531) 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 as a sum of consecutive naturals, namely, 59699266133 + ... + 59699266136.

Almost surely, 2^238797064538 is an apocalyptic number.

238797064538 is a deficient number, since it is larger than the sum of its proper divisors (119398532272).

238797064538 is a wasteful number, since it uses less digits than its factorization.

238797064538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119398532271.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 238797064538 in words is "two hundred thirty-eight billion, seven hundred ninety-seven million, sixty-four thousand, five hundred thirty-eight".