201050128393 has 2 divisors, whose sum is σ = 201050128394. Its totient is φ = 201050128392.

The previous prime is 201050128373. The next prime is 201050128427. The reversal of 201050128393 is 393821050102.

It is an a-pointer prime, because the next prime (201050128427) can be obtained adding 201050128393 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199977107344 + 1073021049 = 447188^2 + 32757^2 .

It is a cyclic number.

It is not a de Polignac number, because 201050128393 - 2³³ = 192460193801 is a prime.

It is not a weakly prime, because it can be changed into another prime (201050128333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100525064196 + 100525064197.

It is an arithmetic number, because the mean of its divisors is an integer number (100525064197).

Almost surely, 2^201050128393 is an apocalyptic number.

It is an amenable number.

201050128393 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050128393 is an equidigital number, since it uses as much as digits as its factorization.

201050128393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 201050128393 its reverse (393821050102), we get a palindrome (594871178495).

The spelling of 201050128393 in words is "two hundred one billion, fifty million, one hundred twenty-eight thousand, three hundred ninety-three".