505236656433 has 16 divisors (see below), whose sum is σ = 680352253056. Its totient is φ = 333473078400.

The previous prime is 505236656413. The next prime is 505236656489. The reversal of 505236656433 is 334656632505.

It is a happy number.

It is not a de Polignac number, because 505236656433 - 2³⁰ = 504162914609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505236656413) 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 15 ways as a sum of consecutive naturals, for example, 10882716 + ... + 10929042.

It is an arithmetic number, because the mean of its divisors is an integer number (42522015816).

Almost surely, 2^505236656433 is an apocalyptic number.

It is an amenable number.

505236656433 is a deficient number, since it is larger than the sum of its proper divisors (175115596623).

505236656433 is a wasteful number, since it uses less digits than its factorization.

505236656433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82424.

The product of its (nonzero) digits is 5832000, while the sum is 48.

The spelling of 505236656433 in words is "five hundred five billion, two hundred thirty-six million, six hundred fifty-six thousand, four hundred thirty-three".