505420535635 has 16 divisors (see below), whose sum is σ = 620686956384. Its totient is φ = 394883903232.

The previous prime is 505420535429. The next prime is 505420535681. The reversal of 505420535635 is 536535024505.

It is a cyclic number.

It is not a de Polignac number, because 505420535635 - 2¹⁹ = 505420011347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505420535591 and 505420535600.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1627329 + ... + 1912861.

It is an arithmetic number, because the mean of its divisors is an integer number (38792934774).

Almost surely, 2^505420535635 is an apocalyptic number.

505420535635 is a deficient number, since it is larger than the sum of its proper divisors (115266420749).

505420535635 is a wasteful number, since it uses less digits than its factorization.

505420535635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293814.

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 505420535635 in words is "five hundred five billion, four hundred twenty million, five hundred thirty-five thousand, six hundred thirty-five".