66453128341 has 2 divisors, whose sum is σ = 66453128342. Its totient is φ = 66453128340.

The previous prime is 66453128303. The next prime is 66453128351. The reversal of 66453128341 is 14382135466.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50057350225 + 16395778116 = 223735^2 + 128046^2 .

It is a cyclic number.

It is not a de Polignac number, because 66453128341 - 2¹⁵ = 66453095573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66453128351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33226564170 + 33226564171.

It is an arithmetic number, because the mean of its divisors is an integer number (33226564171).

Almost surely, 2^66453128341 is an apocalyptic number.

It is an amenable number.

66453128341 is a deficient number, since it is larger than the sum of its proper divisors (1).

66453128341 is an equidigital number, since it uses as much as digits as its factorization.

66453128341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The spelling of 66453128341 in words is "sixty-six billion, four hundred fifty-three million, one hundred twenty-eight thousand, three hundred forty-one".