128196952073 has 2 divisors, whose sum is σ = 128196952074. Its totient is φ = 128196952072.

The previous prime is 128196952067. The next prime is 128196952099. The reversal of 128196952073 is 370259691821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127572551929 + 624400144 = 357173^2 + 24988^2 .

It is a cyclic number.

It is not a de Polignac number, because 128196952073 - 2³² = 123901984777 is a prime.

It is not a weakly prime, because it can be changed into another prime (128196952033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64098476036 + 64098476037.

It is an arithmetic number, because the mean of its divisors is an integer number (64098476037).

Almost surely, 2^128196952073 is an apocalyptic number.

It is an amenable number.

128196952073 is a deficient number, since it is larger than the sum of its proper divisors (1).

128196952073 is an equidigital number, since it uses as much as digits as its factorization.

128196952073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 128196952073 in words is "one hundred twenty-eight billion, one hundred ninety-six million, nine hundred fifty-two thousand, seventy-three".