5203446421 has 4 divisors (see below), whose sum is σ = 5207503392. Its totient is φ = 5199389452.

The previous prime is 5203446389. The next prime is 5203446431. The reversal of 5203446421 is 1246443025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5203446421 - 2⁵ = 5203446389 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 (5203446431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026561 + ... + 2029126.

It is an arithmetic number, because the mean of its divisors is an integer number (1301875848).

Almost surely, 2^5203446421 is an apocalyptic number.

It is an amenable number.

5203446421 is a deficient number, since it is larger than the sum of its proper divisors (4056971).

5203446421 is a wasteful number, since it uses less digits than its factorization.

5203446421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056970.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 5203446421 is about 72134.9181811416. The cubic root of 5203446421 is about 1732.8608729040.

Adding to 5203446421 its reverse (1246443025), we get a palindrome (6449889446).

The spelling of 5203446421 in words is "five billion, two hundred three million, four hundred forty-six thousand, four hundred twenty-one".