38894234823133 has 2 divisors, whose sum is σ = 38894234823134. Its totient is φ = 38894234823132.

The previous prime is 38894234823061. The next prime is 38894234823221. The reversal of 38894234823133 is 33132843249883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30568315015044 + 8325919808089 = 5528862^2 + 2885467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38894234823133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38894234823233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19447117411566 + 19447117411567.

It is an arithmetic number, because the mean of its divisors is an integer number (19447117411567).

Almost surely, 2^{38894234823133} is an apocalyptic number.

It is an amenable number.

38894234823133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38894234823133 is an equidigital number, since it uses as much as digits as its factorization.

38894234823133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71663616, while the sum is 61.

The spelling of 38894234823133 in words is "thirty-eight trillion, eight hundred ninety-four billion, two hundred thirty-four million, eight hundred twenty-three thousand, one hundred thirty-three".