4449630129 has 16 divisors (see below), whose sum is σ = 6781921152. Its totient is φ = 2542071168.

The previous prime is 4449630127. The next prime is 4449630149. The reversal of 4449630129 is 9210369444.

It is not a de Polignac number, because 4449630129 - 2¹ = 4449630127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4449630127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82117 + ... + 125069.

It is an arithmetic number, because the mean of its divisors is an integer number (423870072).

Almost surely, 2^4449630129 is an apocalyptic number.

It is an amenable number.

4449630129 is a deficient number, since it is larger than the sum of its proper divisors (2332291023).

4449630129 is a wasteful number, since it uses less digits than its factorization.

4449630129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47896.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 4449630129 is about 66705.5479626695. The cubic root of 4449630129 is about 1644.7805842424.

The spelling of 4449630129 in words is "four billion, four hundred forty-nine million, six hundred thirty thousand, one hundred twenty-nine".