505353321001304 has 8 divisors (see below), whose sum is σ = 947537476877460. Its totient is φ = 252676660500648.

The previous prime is 505353321001259. The next prime is 505353321001327. The reversal of 505353321001304 is 403100123353505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×505353321001304² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31584582562574 + ... + 31584582562589.

Almost surely, 2^{505353321001304} is an apocalyptic number.

It is an amenable number.

505353321001304 is a deficient number, since it is larger than the sum of its proper divisors (442184155876156).

505353321001304 is a wasteful number, since it uses less digits than its factorization.

505353321001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63169165125169 (or 63169165125165 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 505353321001304 its reverse (403100123353505), we get a palindrome (908453444354809).

The spelling of 505353321001304 in words is "five hundred five trillion, three hundred fifty-three billion, three hundred twenty-one million, one thousand, three hundred four".