505535264434 has 4 divisors (see below), whose sum is σ = 758302896654. Its totient is φ = 252767632216.

The previous prime is 505535264419. The next prime is 505535264447. The reversal of 505535264434 is 434462535505.

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

It can be written as a sum of positive squares in only one way, i.e., 505314831025 + 220433409 = 710855^2 + 14847^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126383816107 + ... + 126383816110.

Almost surely, 2^505535264434 is an apocalyptic number.

505535264434 is a deficient number, since it is larger than the sum of its proper divisors (252767632220).

505535264434 is a wasteful number, since it uses less digits than its factorization.

505535264434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252767632219.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 505535264434 its reverse (434462535505), we get a palindrome (939997799939).

The spelling of 505535264434 in words is "five hundred five billion, five hundred thirty-five million, two hundred sixty-four thousand, four hundred thirty-four".