4450723665 has 16 divisors (see below), whose sum is σ = 7126377408. Its totient is φ = 2371979456.

The previous prime is 4450723649. The next prime is 4450723733. The reversal of 4450723665 is 5663270544.

It is a cyclic number.

It is not a de Polignac number, because 4450723665 - 2⁴ = 4450723649 is a prime.

It is a super-2 number, since 2×4450723665² = 39617882284382064450, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87459 + ... + 128648.

It is an arithmetic number, because the mean of its divisors is an integer number (445398588).

Almost surely, 2^4450723665 is an apocalyptic number.

It is an amenable number.

4450723665 is a deficient number, since it is larger than the sum of its proper divisors (2675653743).

4450723665 is a wasteful number, since it uses less digits than its factorization.

4450723665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217488.

The product of its (nonzero) digits is 604800, while the sum is 42.

The square root of 4450723665 is about 66713.7441986282. The cubic root of 4450723665 is about 1644.9153130031.

The spelling of 4450723665 in words is "four billion, four hundred fifty million, seven hundred twenty-three thousand, six hundred sixty-five".