4549821730 has 8 divisors (see below), whose sum is σ = 8189679132. Its totient is φ = 1819928688.

The previous prime is 4549821721. The next prime is 4549821737. The reversal of 4549821730 is 371289454.

It can be written as a sum of positive squares in 2 ways, for example, as 4526463841 + 23357889 = 67279^2 + 4833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4549821737) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 227491077 + ... + 227491096.

Almost surely, 2^4549821730 is an apocalyptic number.

4549821730 is a deficient number, since it is larger than the sum of its proper divisors (3639857402).

4549821730 is a wasteful number, since it uses less digits than its factorization.

4549821730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454982180.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 4549821730 is about 67452.3663780597. The cubic root of 4549821730 is about 1657.0341547907.

The spelling of 4549821730 in words is "four billion, five hundred forty-nine million, eight hundred twenty-one thousand, seven hundred thirty".