354443563489 has 2 divisors, whose sum is σ = 354443563490. Its totient is φ = 354443563488.

The previous prime is 354443563471. The next prime is 354443563517. The reversal of 354443563489 is 984365344453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254840203489 + 99603360000 = 504817^2 + 315600^2 .

It is a cyclic number.

It is not a de Polignac number, because 354443563489 - 2¹⁷ = 354443432417 is a prime.

It is not a weakly prime, because it can be changed into another prime (354443563469) 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, 177221781744 + 177221781745.

It is an arithmetic number, because the mean of its divisors is an integer number (177221781745).

Almost surely, 2^354443563489 is an apocalyptic number.

It is an amenable number.

354443563489 is a deficient number, since it is larger than the sum of its proper divisors (1).

354443563489 is an equidigital number, since it uses as much as digits as its factorization.

354443563489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74649600, while the sum is 58.

The spelling of 354443563489 in words is "three hundred fifty-four billion, four hundred forty-three million, five hundred sixty-three thousand, four hundred eighty-nine".