4421590546 has 4 divisors (see below), whose sum is σ = 6632385822. Its totient is φ = 2210795272.

The previous prime is 4421590519. The next prime is 4421590601. The reversal of 4421590546 is 6450951244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3325252225 + 1096338321 = 57665^2 + 33111^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4421590499 and 4421590508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105397635 + ... + 1105397638.

Almost surely, 2^4421590546 is an apocalyptic number.

4421590546 is a deficient number, since it is larger than the sum of its proper divisors (2210795276).

4421590546 is a wasteful number, since it uses less digits than its factorization.

4421590546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210795275.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 4421590546 is about 66495.0415143866. The cubic root of 4421590546 is about 1641.3184106350.

The spelling of 4421590546 in words is "four billion, four hundred twenty-one million, five hundred ninety thousand, five hundred forty-six".