238461821608 has 32 divisors (see below), whose sum is σ = 453522197160. Its totient is φ = 117524597760.

The previous prime is 238461821603. The next prime is 238461821617. The reversal of 238461821608 is 806128164832.

238461821608 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 4 ways, for example, as 238200611364 + 261210244 = 488058^2 + 16162^2 .

It is not an unprimeable number, because it can be changed into a prime (238461821603) 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 in 7 ways as a sum of consecutive naturals, for example, 820716 + ... + 1072612.

Almost surely, 2^238461821608 is an apocalyptic number.

It is an amenable number.

238461821608 is a deficient number, since it is larger than the sum of its proper divisors (215060375552).

238461821608 is a wasteful number, since it uses less digits than its factorization.

238461821608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253597 (or 253593 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 238461821608 in words is "two hundred thirty-eight billion, four hundred sixty-one million, eight hundred twenty-one thousand, six hundred eight".