505405466653 has 8 divisors (see below), whose sum is σ = 515012056416. Its totient is φ = 495801493200.

The previous prime is 505405466617. The next prime is 505405466711. The reversal of 505405466653 is 356664504505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505405466653 - 2¹³ = 505405458461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505405466597 and 505405466606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505405460653) 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 7 ways as a sum of consecutive naturals, for example, 261843 + ... + 1038928.

It is an arithmetic number, because the mean of its divisors is an integer number (64376507052).

Almost surely, 2^505405466653 is an apocalyptic number.

505405466653 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

505405466653 is a deficient number, since it is larger than the sum of its proper divisors (9606589763).

505405466653 is a wasteful number, since it uses less digits than its factorization.

505405466653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308155.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 505405466653 in words is "five hundred five billion, four hundred five million, four hundred sixty-six thousand, six hundred fifty-three".