128309394053 has 2 divisors, whose sum is σ = 128309394054. Its totient is φ = 128309394052.

The previous prime is 128309394047. The next prime is 128309394091. The reversal of 128309394053 is 350493903821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66498484129 + 61810909924 = 257873^2 + 248618^2 .

It is an emirp because it is prime and its reverse (350493903821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128309394053 - 2¹⁰ = 128309393029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128309393989 and 128309394007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128309394853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64154697026 + 64154697027.

It is an arithmetic number, because the mean of its divisors is an integer number (64154697027).

Almost surely, 2^128309394053 is an apocalyptic number.

It is an amenable number.

128309394053 is a deficient number, since it is larger than the sum of its proper divisors (1).

128309394053 is an equidigital number, since it uses as much as digits as its factorization.

128309394053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 128309394053 in words is "one hundred twenty-eight billion, three hundred nine million, three hundred ninety-four thousand, fifty-three".