505045304142341 has 4 divisors (see below), whose sum is σ = 505053323215884. Its totient is φ = 505037285068800.

The previous prime is 505045304142319. The next prime is 505045304142367. The reversal of 505045304142341 is 143241403540505.

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 238947321642241 + 266097982500100 = 15457921^2 + 16312510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505045304142341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505045304142371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009442300 + ... + 4009568261.

It is an arithmetic number, because the mean of its divisors is an integer number (126263330803971).

Almost surely, 2^{505045304142341} is an apocalyptic number.

It is an amenable number.

505045304142341 is a deficient number, since it is larger than the sum of its proper divisors (8019073543).

505045304142341 is an equidigital number, since it uses as much as digits as its factorization.

505045304142341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019073542.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 505045304142341 its reverse (143241403540505), we get a palindrome (648286707682846).

The spelling of 505045304142341 in words is "five hundred five trillion, forty-five billion, three hundred four million, one hundred forty-two thousand, three hundred forty-one".