4455691443 has 16 divisors (see below), whose sum is σ = 7544028160. Its totient is φ = 2546109288.

The previous prime is 4455691421. The next prime is 4455691447. The reversal of 4455691443 is 3441965544.

4455691443 is a `hidden beast` number, since 4 + 4 + 556 + 91 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 4455691443 - 2⁶ = 4455691379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4455691447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11787355 + ... + 11787732.

It is an arithmetic number, because the mean of its divisors is an integer number (471501760).

Almost surely, 2^4455691443 is an apocalyptic number.

4455691443 is a deficient number, since it is larger than the sum of its proper divisors (3088336717).

4455691443 is a wasteful number, since it uses less digits than its factorization.

4455691443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23575103 (or 23575097 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 4455691443 is about 66750.9658581807. The cubic root of 4455691443 is about 1645.5270888479.

The spelling of 4455691443 in words is "four billion, four hundred fifty-five million, six hundred ninety-one thousand, four hundred forty-three".