535403314021 has 2 divisors, whose sum is σ = 535403314022. Its totient is φ = 535403314020.

The previous prime is 535403314007. The next prime is 535403314063. The reversal of 535403314021 is 120413304535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306737637921 + 228665676100 = 553839^2 + 478190^2 .

It is a cyclic number.

It is not a de Polignac number, because 535403314021 - 2⁹ = 535403313509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535403314921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267701657010 + 267701657011.

It is an arithmetic number, because the mean of its divisors is an integer number (267701657011).

Almost surely, 2^535403314021 is an apocalyptic number.

It is an amenable number.

535403314021 is a deficient number, since it is larger than the sum of its proper divisors (1).

535403314021 is an equidigital number, since it uses as much as digits as its factorization.

535403314021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 535403314021 its reverse (120413304535), we get a palindrome (655816618556).

The spelling of 535403314021 in words is "five hundred thirty-five billion, four hundred three million, three hundred fourteen thousand, twenty-one".