504521021204 has 12 divisors (see below), whose sum is σ = 882916773984. Its totient is φ = 252259085784.

The previous prime is 504521021141. The next prime is 504521021209. The reversal of 504521021204 is 402120125405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504521021209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123337 + ... + 1506959.

It is an arithmetic number, because the mean of its divisors is an integer number (73576397832).

Almost surely, 2^504521021204 is an apocalyptic number.

It is an amenable number.

504521021204 is a deficient number, since it is larger than the sum of its proper divisors (378395752780).

504521021204 is a wasteful number, since it uses less digits than its factorization.

504521021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712414 (or 712412 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 504521021204 its reverse (402120125405), we get a palindrome (906641146609).

The spelling of 504521021204 in words is "five hundred four billion, five hundred twenty-one million, twenty-one thousand, two hundred four".