128067265369 has 2 divisors, whose sum is σ = 128067265370. Its totient is φ = 128067265368.

The previous prime is 128067265349. The next prime is 128067265411. The reversal of 128067265369 is 963562760821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110099203344 + 17968062025 = 331812^2 + 134045^2 .

It is a cyclic number.

It is not a de Polignac number, because 128067265369 - 2³¹ = 125919781721 is a prime.

It is a super-2 number, since 2×128067265369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128067265349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64033632684 + 64033632685.

It is an arithmetic number, because the mean of its divisors is an integer number (64033632685).

Almost surely, 2^128067265369 is an apocalyptic number.

It is an amenable number.

128067265369 is a deficient number, since it is larger than the sum of its proper divisors (1).

128067265369 is an equidigital number, since it uses as much as digits as its factorization.

128067265369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 128067265369 in words is "one hundred twenty-eight billion, sixty-seven million, two hundred sixty-five thousand, three hundred sixty-nine".