4451486805 has 96 divisors (see below), whose sum is σ = 8510261760. Its totient is φ = 2142443520.

The previous prime is 4451486789. The next prime is 4451486821. The reversal of 4451486805 is 5086841544.

It is a happy number.

4451486805 is a `hidden beast` number, since 44 + 51 + 486 + 80 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (4451486789) and next prime (4451486821).

It is not a de Polignac number, because 4451486805 - 2⁴ = 4451486789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 3615540 + ... + 3616770.

It is an arithmetic number, because the mean of its divisors is an integer number (88648560).

Almost surely, 2^4451486805 is an apocalyptic number.

4451486805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4451486805 is a deficient number, since it is larger than the sum of its proper divisors (4058774955).

4451486805 is a wasteful number, since it uses less digits than its factorization.

4451486805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 4451486805 is about 66719.4634645693. The cubic root of 4451486805 is about 1645.0093223543.

The spelling of 4451486805 in words is "four billion, four hundred fifty-one million, four hundred eighty-six thousand, eight hundred five".