4444676643 has 32 divisors (see below), whose sum is σ = 6616753920. Its totient is φ = 2631242240.

The previous prime is 4444676629. The next prime is 4444676651. The reversal of 4444676643 is 3466764444.

4444676643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4444676643 - 2³² = 149709347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4444676592 and 4444676601.

It is not an unprimeable number, because it can be changed into a prime (4444676603) 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 31 ways as a sum of consecutive naturals, for example, 234655 + ... + 252887.

It is an arithmetic number, because the mean of its divisors is an integer number (206773560).

Almost surely, 2^4444676643 is an apocalyptic number.

4444676643 is a deficient number, since it is larger than the sum of its proper divisors (2172077277).

4444676643 is a wasteful number, since it uses less digits than its factorization.

4444676643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419.

The product of its digits is 4644864, while the sum is 48.

The square root of 4444676643 is about 66668.4081330880. The cubic root of 4444676643 is about 1644.1700149324.

The spelling of 4444676643 in words is "four billion, four hundred forty-four million, six hundred seventy-six thousand, six hundred forty-three".