128050523269 has 2 divisors, whose sum is σ = 128050523270. Its totient is φ = 128050523268.

The previous prime is 128050523243. The next prime is 128050523303. The reversal of 128050523269 is 962325050821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106113062500 + 21937460769 = 325750^2 + 148113^2 .

It is an emirp because it is prime and its reverse (962325050821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128050523269 - 2¹⁹ = 128049998981 is a prime.

It is a super-2 number, since 2×128050523269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128050523369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64025261634 + 64025261635.

It is an arithmetic number, because the mean of its divisors is an integer number (64025261635).

Almost surely, 2^128050523269 is an apocalyptic number.

It is an amenable number.

128050523269 is a deficient number, since it is larger than the sum of its proper divisors (1).

128050523269 is an equidigital number, since it uses as much as digits as its factorization.

128050523269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 128050523269 in words is "one hundred twenty-eight billion, fifty million, five hundred twenty-three thousand, two hundred sixty-nine".