505453333245305 has 4 divisors (see below), whose sum is σ = 606543999894372. Its totient is φ = 404362666596240.

The previous prime is 505453333245229. The next prime is 505453333245317. The reversal of 505453333245305 is 503542333354505.

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 116916881721721 + 388536451523584 = 10812811^2 + 19711328^2 .

It is not a de Polignac number, because 505453333245305 - 2³⁰ = 505452259503481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50545333324526 + ... + 50545333324535.

It is an arithmetic number, because the mean of its divisors is an integer number (151635999973593).

Almost surely, 2^{505453333245305} is an apocalyptic number.

It is an amenable number.

505453333245305 is a deficient number, since it is larger than the sum of its proper divisors (101090666649067).

505453333245305 is a wasteful number, since it uses less digits than its factorization.

505453333245305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101090666649066.

The product of its (nonzero) digits is 24300000, while the sum is 50.

The spelling of 505453333245305 in words is "five hundred five trillion, four hundred fifty-three billion, three hundred thirty-three million, two hundred forty-five thousand, three hundred five".