238928918516 has 6 divisors (see below), whose sum is σ = 418125607410. Its totient is φ = 119464459256.

The previous prime is 238928918497. The next prime is 238928918521. The reversal of 238928918516 is 615819829832.

It can be written as a sum of positive squares in only one way, i.e., 234203730916 + 4725187600 = 483946^2 + 68740^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29866114811 + ... + 29866114818.

It is an arithmetic number, because the mean of its divisors is an integer number (69687601235).

Almost surely, 2^238928918516 is an apocalyptic number.

It is an amenable number.

238928918516 is a deficient number, since it is larger than the sum of its proper divisors (179196688894).

238928918516 is a wasteful number, since it uses less digits than its factorization.

238928918516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59732229633 (or 59732229631 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 62.

The spelling of 238928918516 in words is "two hundred thirty-eight billion, nine hundred twenty-eight million, nine hundred eighteen thousand, five hundred sixteen".