4504500421 has 4 divisors (see below), whose sum is σ = 4769471052. Its totient is φ = 4239529792.

The previous prime is 4504500401. The next prime is 4504500431. The reversal of 4504500421 is 1240054054.

It is a happy number.

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 1279850625 + 3224649796 = 35775^2 + 56786^2 .

It is a cyclic number.

It is not a de Polignac number, because 4504500421 - 2⁷ = 4504500293 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 (4504500401) 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, 132485290 + ... + 132485323.

It is an arithmetic number, because the mean of its divisors is an integer number (1192367763).

Almost surely, 2^4504500421 is an apocalyptic number.

It is an amenable number.

4504500421 is a deficient number, since it is larger than the sum of its proper divisors (264970631).

4504500421 is a wasteful number, since it uses less digits than its factorization.

4504500421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264970630.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4504500421 is about 67115.5750999721. The cubic root of 4504500421 is about 1651.5138137682.

Adding to 4504500421 its reverse (1240054054), we get a palindrome (5744554475).

The spelling of 4504500421 in words is "four billion, five hundred four million, five hundred thousand, four hundred twenty-one".