5004003421 has 4 divisors (see below), whose sum is σ = 5005641244. Its totient is φ = 5002365600.

The previous prime is 5004003359. The next prime is 5004003463. The reversal of 5004003421 is 1243004005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2404431225 + 2599572196 = 49035^2 + 50986^2 .

It is a cyclic number.

It is not a de Polignac number, because 5004003421 - 2⁷ = 5004003293 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 (5004003481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814320 + ... + 820441.

It is an arithmetic number, because the mean of its divisors is an integer number (1251410311).

Almost surely, 2^5004003421 is an apocalyptic number.

It is an amenable number.

5004003421 is a deficient number, since it is larger than the sum of its proper divisors (1637823).

5004003421 is a wasteful number, since it uses less digits than its factorization.

5004003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637822.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5004003421 is about 70738.9809157582. The cubic root of 5004003421 is about 1710.4322084988.

Adding to 5004003421 its reverse (1243004005), we get a palindrome (6247007426).

The spelling of 5004003421 in words is "five billion, four million, three thousand, four hundred twenty-one".