533420344693 has 4 divisors (see below), whose sum is σ = 533502656428. Its totient is φ = 533338032960.

The previous prime is 533420344687. The next prime is 533420344697. The reversal of 533420344693 is 396443024335.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 461498759569 + 71921585124 = 679337^2 + 268182^2 .

It is a cyclic number.

It is not a de Polignac number, because 533420344693 - 2⁹ = 533420344181 is a prime.

It is a super-3 number, since 3×533420344693³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533420344697) 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 in 3 ways as a sum of consecutive naturals, for example, 41146146 + ... + 41159107.

It is an arithmetic number, because the mean of its divisors is an integer number (133375664107).

Almost surely, 2^533420344693 is an apocalyptic number.

It is an amenable number.

533420344693 is a deficient number, since it is larger than the sum of its proper divisors (82311735).

533420344693 is an equidigital number, since it uses as much as digits as its factorization.

533420344693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82311734.

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 533420344693 in words is "five hundred thirty-three billion, four hundred twenty million, three hundred forty-four thousand, six hundred ninety-three".