238694912650 has 12 divisors (see below), whose sum is σ = 443972537622. Its totient is φ = 95477965040.

The previous prime is 238694912647. The next prime is 238694912671. The reversal of 238694912650 is 56219496832.

238694912650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 178388814321 + 60306098329 = 422361^2 + 245573^2 .

It is a super-2 number, since 2×238694912650² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238694912591 and 238694912600.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2386949077 + ... + 2386949176.

Almost surely, 2^238694912650 is an apocalyptic number.

238694912650 is a deficient number, since it is larger than the sum of its proper divisors (205277624972).

238694912650 is a wasteful number, since it uses less digits than its factorization.

238694912650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773898265 (or 4773898260 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 238694912650 in words is "two hundred thirty-eight billion, six hundred ninety-four million, nine hundred twelve thousand, six hundred fifty".