4550413421 has 4 divisors (see below), whose sum is σ = 4636270332. Its totient is φ = 4464556512.

The previous prime is 4550413391. The next prime is 4550413433. The reversal of 4550413421 is 1243140554.

4550413421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3527053321 + 1023360100 = 59389^2 + 31990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550413421 - 2¹⁰ = 4550412397 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 (4550413471) 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, 42928376 + ... + 42928481.

It is an arithmetic number, because the mean of its divisors is an integer number (1159067583).

Almost surely, 2^4550413421 is an apocalyptic number.

It is an amenable number.

4550413421 is a deficient number, since it is larger than the sum of its proper divisors (85856911).

4550413421 is an equidigital number, since it uses as much as digits as its factorization.

4550413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85856910.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4550413421 is about 67456.7522268898. The cubic root of 4550413421 is about 1657.1059824912.

Adding to 4550413421 its reverse (1243140554), we get a palindrome (5793553975).

The spelling of 4550413421 in words is "four billion, five hundred fifty million, four hundred thirteen thousand, four hundred twenty-one".