660003281442343 has 2 divisors, whose sum is σ = 660003281442344. Its totient is φ = 660003281442342.

The previous prime is 660003281442217. The next prime is 660003281442433. The reversal of 660003281442343 is 343244182300066.

Together with next prime (660003281442433) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660003281442343 - 2³³ = 659994691507751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660003281442293 and 660003281442302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660003281442943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330001640721171 + 330001640721172.

It is an arithmetic number, because the mean of its divisors is an integer number (330001640721172).

Almost surely, 2^{660003281442343} is an apocalyptic number.

660003281442343 is a deficient number, since it is larger than the sum of its proper divisors (1).

660003281442343 is an equidigital number, since it uses as much as digits as its factorization.

660003281442343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 660003281442343 in words is "six hundred sixty trillion, three billion, two hundred eighty-one million, four hundred forty-two thousand, three hundred forty-three".