503022450021 has 64 divisors (see below), whose sum is σ = 834038919168. Its totient is φ = 262580548608.

The previous prime is 503022450001. The next prime is 503022450109. The reversal of 503022450021 is 120054220305.

It is not a de Polignac number, because 503022450021 - 2¹³ = 503022441829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503022449973 and 503022450000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503022450001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49962430 + ... + 49972496.

It is an arithmetic number, because the mean of its divisors is an integer number (13031858112).

Almost surely, 2^503022450021 is an apocalyptic number.

It is an amenable number.

503022450021 is a deficient number, since it is larger than the sum of its proper divisors (331016469147).

503022450021 is a wasteful number, since it uses less digits than its factorization.

503022450021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 503022450021 its reverse (120054220305), we get a palindrome (623076670326).

It can be divided in two parts, 5030 and 22450021, that added together give a triangular number (22455051 = T₆₇₀₁).

The spelling of 503022450021 in words is "five hundred three billion, twenty-two million, four hundred fifty thousand, twenty-one".