504513030221361 has 24 divisors (see below), whose sum is σ = 833102931627200. Its totient is φ = 288204536228256.

The previous prime is 504513030221353. The next prime is 504513030221479. The reversal of 504513030221361 is 163122030315405.

504513030221361 is a `hidden beast` number, since 5 + 0 + 4 + 5 + 130 + 302 + 213 + 6 + 1 = 666.

It is not a de Polignac number, because 504513030221361 - 2³ = 504513030221353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504513030221341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1230680911 + ... + 1231090788.

Almost surely, 2^{504513030221361} is an apocalyptic number.

It is an amenable number.

504513030221361 is a deficient number, since it is larger than the sum of its proper divisors (328589901405839).

504513030221361 is a wasteful number, since it uses less digits than its factorization.

504513030221361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461774965 (or 2461774962 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 504513030221361 its reverse (163122030315405), we get a palindrome (667635060536766).

The spelling of 504513030221361 in words is "five hundred four trillion, five hundred thirteen billion, thirty million, two hundred twenty-one thousand, three hundred sixty-one".