238038817046453 has 2 divisors, whose sum is σ = 238038817046454. Its totient is φ = 238038817046452.

The previous prime is 238038817046431. The next prime is 238038817046477. The reversal of 238038817046453 is 354640718830832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150168309645124 + 87870507401329 = 12254318^2 + 9373927^2 .

It is a cyclic number.

It is not a de Polignac number, because 238038817046453 - 2⁸ = 238038817046197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238038817046353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119019408523226 + 119019408523227.

It is an arithmetic number, because the mean of its divisors is an integer number (119019408523227).

Almost surely, 2^{238038817046453} is an apocalyptic number.

It is an amenable number.

238038817046453 is a deficient number, since it is larger than the sum of its proper divisors (1).

238038817046453 is an equidigital number, since it uses as much as digits as its factorization.

238038817046453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92897280, while the sum is 62.

The spelling of 238038817046453 in words is "two hundred thirty-eight trillion, thirty-eight billion, eight hundred seventeen million, forty-six thousand, four hundred fifty-three".