4461384421 has 4 divisors (see below), whose sum is σ = 4804567852. Its totient is φ = 4118200992.

The previous prime is 4461384413. The next prime is 4461384439. The reversal of 4461384421 is 1244831644.

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 2135733796 + 2325650625 = 46214^2 + 48225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4461384421 - 2³ = 4461384413 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 (4461384401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171591696 + ... + 171591721.

It is an arithmetic number, because the mean of its divisors is an integer number (1201141963).

Almost surely, 2^4461384421 is an apocalyptic number.

It is an amenable number.

4461384421 is a deficient number, since it is larger than the sum of its proper divisors (343183431).

4461384421 is a wasteful number, since it uses less digits than its factorization.

4461384421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343183430.

The product of its digits is 73728, while the sum is 37.

The square root of 4461384421 is about 66793.5956585659. The cubic root of 4461384421 is about 1646.2276133116.

The spelling of 4461384421 in words is "four billion, four hundred sixty-one million, three hundred eighty-four thousand, four hundred twenty-one".