505364535321 has 8 divisors (see below), whose sum is σ = 673918600800. Its totient is φ = 336860080032.

The previous prime is 505364535317. The next prime is 505364535331. The reversal of 505364535321 is 123535463505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505364535321 - 2² = 505364535317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505364535331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12378771 + ... + 12419528.

It is an arithmetic number, because the mean of its divisors is an integer number (84239825100).

Almost surely, 2^505364535321 is an apocalyptic number.

It is an amenable number.

505364535321 is a deficient number, since it is larger than the sum of its proper divisors (168554065479).

505364535321 is a wasteful number, since it uses less digits than its factorization.

505364535321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24805095.

The product of its (nonzero) digits is 810000, while the sum is 42.

Adding to 505364535321 its reverse (123535463505), we get a palindrome (628899998826).

The spelling of 505364535321 in words is "five hundred five billion, three hundred sixty-four million, five hundred thirty-five thousand, three hundred twenty-one".