238391047241 has 2 divisors, whose sum is σ = 238391047242. Its totient is φ = 238391047240.

The previous prime is 238391047109. The next prime is 238391047259. The reversal of 238391047241 is 142740193832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203793559225 + 34597488016 = 451435^2 + 186004^2 .

It is a cyclic number.

It is not a de Polignac number, because 238391047241 - 2¹⁸ = 238390785097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238391047192 and 238391047201.

It is not a weakly prime, because it can be changed into another prime (238391047441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119195523620 + 119195523621.

It is an arithmetic number, because the mean of its divisors is an integer number (119195523621).

Almost surely, 2^238391047241 is an apocalyptic number.

It is an amenable number.

238391047241 is a deficient number, since it is larger than the sum of its proper divisors (1).

238391047241 is an equidigital number, since it uses as much as digits as its factorization.

238391047241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 238391047241 in words is "two hundred thirty-eight billion, three hundred ninety-one million, forty-seven thousand, two hundred forty-one".