4450868865 has 32 divisors (see below), whose sum is σ = 8167910400. Its totient is φ = 2297220480.

The previous prime is 4450868837. The next prime is 4450868869. The reversal of 4450868865 is 5688680544.

It is not a de Polignac number, because 4450868865 - 2⁹ = 4450868353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4450868869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527580 + ... + 535949.

It is an arithmetic number, because the mean of its divisors is an integer number (255247200).

Almost surely, 2^4450868865 is an apocalyptic number.

4450868865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4450868865 is a deficient number, since it is larger than the sum of its proper divisors (3717041535).

4450868865 is a wasteful number, since it uses less digits than its factorization.

4450868865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063574 (or 1063568 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The square root of 4450868865 is about 66714.8324212839. The cubic root of 4450868865 is about 1644.9332006639.

The spelling of 4450868865 in words is "four billion, four hundred fifty million, eight hundred sixty-eight thousand, eight hundred sixty-five".