505420606333 has 6 divisors (see below), whose sum is σ = 528350842334. Its totient is φ = 483445796856.

The previous prime is 505420606331. The next prime is 505420606357. The reversal of 505420606333 is 333606024505.

It can be written as a sum of positive squares in only one way, i.e., 445318651684 + 60101954649 = 667322^2 + 245157^2 .

It is not a de Polignac number, because 505420606333 - 2¹ = 505420606331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505420606292 and 505420606301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505420606331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477712710 + ... + 477713767.

Almost surely, 2^505420606333 is an apocalyptic number.

It is an amenable number.

505420606333 is a deficient number, since it is larger than the sum of its proper divisors (22930236001).

505420606333 is an equidigital number, since it uses as much as digits as its factorization.

505420606333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955426523 (or 955426500 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 505420606333 in words is "five hundred five billion, four hundred twenty million, six hundred six thousand, three hundred thirty-three".