438317457241 has 2 divisors, whose sum is σ = 438317457242. Its totient is φ = 438317457240.

The previous prime is 438317457239. The next prime is 438317457271. The reversal of 438317457241 is 142754713834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278340656400 + 159976800841 = 527580^2 + 399971^2 .

It is a cyclic number.

It is not a de Polignac number, because 438317457241 - 2¹ = 438317457239 is a prime.

Together with 438317457239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (438317457271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219158728620 + 219158728621.

It is an arithmetic number, because the mean of its divisors is an integer number (219158728621).

Almost surely, 2^438317457241 is an apocalyptic number.

It is an amenable number.

438317457241 is a deficient number, since it is larger than the sum of its proper divisors (1).

438317457241 is an equidigital number, since it uses as much as digits as its factorization.

438317457241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 49.

The spelling of 438317457241 in words is "four hundred thirty-eight billion, three hundred seventeen million, four hundred fifty-seven thousand, two hundred forty-one".