5603204423421 has 48 divisors (see below), whose sum is σ = 9297699016320. Its totient is φ = 3218433989760.

The previous prime is 5603204423413. The next prime is 5603204423461. The reversal of 5603204423421 is 1243244023065.

5603204423421 is a `hidden beast` number, since 5 + 6 + 0 + 3 + 204 + 4 + 23 + 421 = 666.

It is not a de Polignac number, because 5603204423421 - 2³ = 5603204423413 is a prime.

It is a super-2 number, since 2×5603204423421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5603204423461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11039806 + ... + 11536191.

It is an arithmetic number, because the mean of its divisors is an integer number (193702062840).

Almost surely, 2^{5603204423421} is an apocalyptic number.

It is an amenable number.

5603204423421 is a deficient number, since it is larger than the sum of its proper divisors (3694494592899).

5603204423421 is a wasteful number, since it uses less digits than its factorization.

5603204423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576146 (or 22576143 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 5603204423421 its reverse (1243244023065), we get a palindrome (6846448446486).

The spelling of 5603204423421 in words is "five trillion, six hundred three billion, two hundred four million, four hundred twenty-three thousand, four hundred twenty-one".