505534313343 has 4 divisors (see below), whose sum is σ = 674045751128. Its totient is φ = 337022875560.

The previous prime is 505534313341. The next prime is 505534313399. The reversal of 505534313343 is 343313435505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 505534313343 - 2¹ = 505534313341 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 (505534313341) 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, 84255718888 + ... + 84255718893.

It is an arithmetic number, because the mean of its divisors is an integer number (168511437782).

Almost surely, 2^505534313343 is an apocalyptic number.

505534313343 is a deficient number, since it is larger than the sum of its proper divisors (168511437785).

505534313343 is a wasteful number, since it uses less digits than its factorization.

505534313343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168511437784.

The product of its (nonzero) digits is 486000, while the sum is 39.

Adding to 505534313343 its reverse (343313435505), we get a palindrome (848847748848).

The spelling of 505534313343 in words is "five hundred five billion, five hundred thirty-four million, three hundred thirteen thousand, three hundred forty-three".