505364612441 has 4 divisors (see below), whose sum is σ = 544238813412. Its totient is φ = 466490411472.

The previous prime is 505364612383. The next prime is 505364612447. The reversal of 505364612441 is 144216463505.

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 304858579600 + 200506032841 = 552140^2 + 447779^2 .

It is a cyclic number.

It is not a de Polignac number, because 505364612441 - 2⁶ = 505364612377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505364612447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19437100466 + ... + 19437100491.

It is an arithmetic number, because the mean of its divisors is an integer number (136059703353).

Almost surely, 2^505364612441 is an apocalyptic number.

It is an amenable number.

505364612441 is a deficient number, since it is larger than the sum of its proper divisors (38874200971).

505364612441 is a wasteful number, since it uses less digits than its factorization.

505364612441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38874200970.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 505364612441 in words is "five hundred five billion, three hundred sixty-four million, six hundred twelve thousand, four hundred forty-one".