504786000021 has 8 divisors (see below), whose sum is σ = 676237801824. Its totient is φ = 334929099120.

The previous prime is 504786000013. The next prime is 504786000077. The reversal of 504786000021 is 120000687405.

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

It is not a de Polignac number, because 504786000021 - 2³ = 504786000013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504786001021) 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, 398724486 + ... + 398725751.

It is an arithmetic number, because the mean of its divisors is an integer number (84529725228).

Almost surely, 2^504786000021 is an apocalyptic number.

It is an amenable number.

504786000021 is a deficient number, since it is larger than the sum of its proper divisors (171451801803).

504786000021 is a wasteful number, since it uses less digits than its factorization.

504786000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797450451.

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 504786000021 its reverse (120000687405), we get a palindrome (624786687426).

The spelling of 504786000021 in words is "five hundred four billion, seven hundred eighty-six million, twenty-one", and thus it is an aban number.