535553441035021 has 2 divisors, whose sum is σ = 535553441035022. Its totient is φ = 535553441035020.

The previous prime is 535553441034979. The next prime is 535553441035057. The reversal of 535553441035021 is 120530144355535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270516506232996 + 265036934802025 = 16447386^2 + 16279955^2 .

It is a cyclic number.

It is not a de Polignac number, because 535553441035021 - 2⁷ = 535553441034893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535553441035421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267776720517510 + 267776720517511.

It is an arithmetic number, because the mean of its divisors is an integer number (267776720517511).

Almost surely, 2^{535553441035021} is an apocalyptic number.

It is an amenable number.

535553441035021 is a deficient number, since it is larger than the sum of its proper divisors (1).

535553441035021 is an equidigital number, since it uses as much as digits as its factorization.

535553441035021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 535553441035021 in words is "five hundred thirty-five trillion, five hundred fifty-three billion, four hundred forty-one million, thirty-five thousand, twenty-one".