238239243589601 has 2 divisors, whose sum is σ = 238239243589602. Its totient is φ = 238239243589600.

The previous prime is 238239243589507. The next prime is 238239243589621. The reversal of 238239243589601 is 106985342932832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158033158623376 + 80206084966225 = 12571124^2 + 8955785^2 .

It is a cyclic number.

It is not a de Polignac number, because 238239243589601 - 2¹⁴ = 238239243573217 is a prime.

It is a super-2 number, since 2×238239243589601² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238239243589621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119119621794800 + 119119621794801.

It is an arithmetic number, because the mean of its divisors is an integer number (119119621794801).

Almost surely, 2^{238239243589601} is an apocalyptic number.

It is an amenable number.

238239243589601 is a deficient number, since it is larger than the sum of its proper divisors (1).

238239243589601 is an equidigital number, since it uses as much as digits as its factorization.

238239243589601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 238239243589601 in words is "two hundred thirty-eight trillion, two hundred thirty-nine billion, two hundred forty-three million, five hundred eighty-nine thousand, six hundred one".