4444728733 has 4 divisors (see below), whose sum is σ = 4447840540. Its totient is φ = 4441616928.

The previous prime is 4444728719. The next prime is 4444728751. The reversal of 4444728733 is 3378274444.

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 1417748409 + 3026980324 = 37653^2 + 55018^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444728733 - 2⁹ = 4444728221 is a prime.

It is a super-2 number, since 2×4444728733² = 39511227019911570578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444728713) 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, 1553760 + ... + 1556617.

It is an arithmetic number, because the mean of its divisors is an integer number (1111960135).

Almost surely, 2^4444728733 is an apocalyptic number.

It is an amenable number.

4444728733 is a deficient number, since it is larger than the sum of its proper divisors (3111807).

4444728733 is a wasteful number, since it uses less digits than its factorization.

4444728733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111806.

The product of its digits is 1806336, while the sum is 46.

The square root of 4444728733 is about 66668.7987967385. The cubic root of 4444728733 is about 1644.1764379330.

The spelling of 4444728733 in words is "four billion, four hundred forty-four million, seven hundred twenty-eight thousand, seven hundred thirty-three".