4421779016 has 32 divisors (see below), whose sum is σ = 8791244280. Its totient is φ = 2077824000.

The previous prime is 4421779007. The next prime is 4421779027. The reversal of 4421779016 is 6109771244.

It can be written as a sum of positive squares in 4 ways, for example, as 4415070916 + 6708100 = 66446^2 + 2590^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72146 + ... + 118526.

Almost surely, 2^4421779016 is an apocalyptic number.

It is an amenable number.

4421779016 is a deficient number, since it is larger than the sum of its proper divisors (4369465264).

4421779016 is a wasteful number, since it uses less digits than its factorization.

4421779016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47105 (or 47101 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 4421779016 is about 66496.4586726241. The cubic root of 4421779016 is about 1641.3417306660.

The spelling of 4421779016 in words is "four billion, four hundred twenty-one million, seven hundred seventy-nine thousand, sixteen".