5043226021 has 4 divisors (see below), whose sum is σ = 5051731212. Its totient is φ = 5034720832.

The previous prime is 5043225973. The next prime is 5043226049. The reversal of 5043226021 is 1206223405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1206223405 = 5 ⋅241244681.

It can be written as a sum of positive squares in 2 ways, for example, as 2139525025 + 2903700996 = 46255^2 + 53886^2 .

It is a cyclic number.

It is not a de Polignac number, because 5043226021 - 2¹¹ = 5043223973 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 (5043226421) 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, 4251706 + ... + 4252891.

It is an arithmetic number, because the mean of its divisors is an integer number (1262932803).

Almost surely, 2^5043226021 is an apocalyptic number.

It is an amenable number.

5043226021 is a deficient number, since it is larger than the sum of its proper divisors (8505191).

5043226021 is an equidigital number, since it uses as much as digits as its factorization.

5043226021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505190.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5043226021 is about 71015.6744740202. The cubic root of 5043226021 is about 1714.8895112515.

Adding to 5043226021 its reverse (1206223405), we get a palindrome (6249449426).

The spelling of 5043226021 in words is "five billion, forty-three million, two hundred twenty-six thousand, twenty-one".