504445122421 has 8 divisors (see below), whose sum is σ = 527967791424. Its totient is φ = 481054976160.

The previous prime is 504445122407. The next prime is 504445122437. The reversal of 504445122421 is 124221544405.

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

It is a cyclic number.

It is not a de Polignac number, because 504445122421 - 2¹¹ = 504445120373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504445122221) 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, 33122896 + ... + 33138121.

It is an arithmetic number, because the mean of its divisors is an integer number (65995973928).

Almost surely, 2^504445122421 is an apocalyptic number.

It is an amenable number.

504445122421 is a deficient number, since it is larger than the sum of its proper divisors (23522669003).

504445122421 is a wasteful number, since it uses less digits than its factorization.

504445122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66261371.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 504445122421 its reverse (124221544405), we get a palindrome (628666666826).

The spelling of 504445122421 in words is "five hundred four billion, four hundred forty-five million, one hundred twenty-two thousand, four hundred twenty-one".