504620516421 has 24 divisors (see below), whose sum is σ = 852397008320. Its totient is φ = 281648658816.

The previous prime is 504620516401. The next prime is 504620516423. The reversal of 504620516421 is 124615026405.

504620516421 is a `hidden beast` number, since 5 + 0 + 4 + 6 + 2 + 0 + 5 + 1 + 642 + 1 = 666.

It is not a de Polignac number, because 504620516421 - 2¹⁰ = 504620515397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504620516423) 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, 93135076 + ... + 93140493.

Almost surely, 2^504620516421 is an apocalyptic number.

It is an amenable number.

504620516421 is a deficient number, since it is larger than the sum of its proper divisors (347776491899).

504620516421 is a wasteful number, since it uses less digits than its factorization.

504620516421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186275625 (or 186275622 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 504620516421 in words is "five hundred four billion, six hundred twenty million, five hundred sixteen thousand, four hundred twenty-one".