5104544221 has 4 divisors (see below), whose sum is σ = 5833764832. Its totient is φ = 4375323612.

The previous prime is 5104544197. The next prime is 5104544231. The reversal of 5104544221 is 1224454015.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1224454015 = 5 ⋅244890803.

It is a cyclic number.

It is not a de Polignac number, because 5104544221 - 2¹⁹ = 5104019933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5104544221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5104544231) 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, 364610295 + ... + 364610308.

It is an arithmetic number, because the mean of its divisors is an integer number (1458441208).

Almost surely, 2^5104544221 is an apocalyptic number.

It is an amenable number.

5104544221 is a deficient number, since it is larger than the sum of its proper divisors (729220611).

5104544221 is an equidigital number, since it uses as much as digits as its factorization.

5104544221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729220610.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5104544221 is about 71446.0931122199. The cubic root of 5104544221 is about 1721.8117088564.

Adding to 5104544221 its reverse (1224454015), we get a palindrome (6328998236).

It can be divided in two parts, 51045 and 44221, that added together give a triangular number (95266 = T₄₃₆).

The spelling of 5104544221 in words is "five billion, one hundred four million, five hundred forty-four thousand, two hundred twenty-one".