4401509749 has 16 divisors (see below), whose sum is σ = 5422348288. Its totient is φ = 3479231232.

The previous prime is 4401509737. The next prime is 4401509759. The reversal of 4401509749 is 9479051044.

It is a cyclic number.

It is not a de Polignac number, because 4401509749 - 2²¹ = 4399412597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401509759) 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 15 ways as a sum of consecutive naturals, for example, 76669 + ... + 121165.

It is an arithmetic number, because the mean of its divisors is an integer number (338896768).

Almost surely, 2^4401509749 is an apocalyptic number.

It is an amenable number.

4401509749 is a deficient number, since it is larger than the sum of its proper divisors (1020838539).

4401509749 is a wasteful number, since it uses less digits than its factorization.

4401509749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45604.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 4401509749 is about 66343.8749923458. The cubic root of 4401509749 is about 1638.8299393858.

The spelling of 4401509749 in words is "four billion, four hundred one million, five hundred nine thousand, seven hundred forty-nine".